| O-sensei | Literally, ``Great Teacher,' |
| Doshu | A martial arts title 'Head of the way', (Morihei Ueshiba till 1969), Kisshomaru Ueshiba from 1969 to 1999, (Moriteru Ueshiba from 1999)
Mitsuteru Ueshiba will be next succesor |
| Shihan | A formal title meaning, approximately, ``master instructor' ranked sixth dan or above.There are currently (01.01.2010) no teachers-Japanese or non-Japanese-authorized under the International Regulations to use the title 'Shihan' |
| Shidoin | A formal title meaning, approximately, ``instructor'' ranked fifth dan and below |
| Fukushidoin | A formal title meaning, approximately, ``assistant instructor'' |
| Kudan | 9th dan (black belt) |
| Hachidan | 8th dan (black belt) |
| Shichidan | 7th dan (black belt) |
| Rokudan | 6th dan (black belt) |
| Godan | 5th dan (black belt) |
| Yodan | 4th dan (black belt) |
| Sandan | 3rd dan (black belt) |
| Nidan | 2nd dan (black belt) |
| Shodan | 1st dan (black belt) |
| Yudansha | Black belt, or dan holder |
| Ikkyu | 1st kyu (Brown belt) |
| Nikyu | 2nd kyu (Blue belt) |
| Sankyu | 3rd kyu (Green belt) |
| Yokyu | 4th kyu (Orange belt) |
| Gokyu | 5th kyu (Yellow belt) |
| Rokkyu | 6th kyu (White belt) |
| Aikidoka | One who participates in aikido |
| Uke | One who receives the technique |
| Tori,Nage | One who applies the technique |
| Hombu dojo | A term used to refer to the central dojo of an organization |
| Dojo | Training hall, Literally place of the Way |
| Tatami | The mat on whitch a martial art is practiced |
| Kamiza | Upper seat (focal point of the dojo, indentified by the display of Master Uyeshiba's picture or framed sample of calligraphy, instructor side) |
| Shimoza | Lower seat (opposite of instructor) |
| Joseki | Upper side (advanced student side, left side of the kamiza) |
| Shimoseki | Lower side (the right side of kamiza) |
| Tachi waza | Standing technique |
| Suwari wasa | Sitting technique |
| Tanto dori | Knife technique |
| Zagi-handachi | Both partners kneeling |
| Hanmi-handachi waza | Sitting / standing technique |
| Te wasa | Hand technique |
| Nage-waza | Throwing or Projection techniques |
| Kansetsu-waza | Joint / Pining techniques |
| Atemi-waza | Striking / hitting techniques |
| Hitori-waza | "invisible partner practice " |
| Jiyu-waza | Free-style attack and defence with 2 or more Ukes |
| Ninnin dori | Practice with 2 Ukes |
| Sannin dori | Practice with 3 Ukes |
| Randori | Freeform attack and response |
| Ukemi | Break falls |
| Mai ukemi | Forward fall / roll |
| Ushiro ukemi | Backward fall / roll |
| Shikko | Knee walking |
| Tsugi-ashi | " Glide " walking |
| Chidori-ashi | A cross-over (zig zag) step |
| Taisabaki | A circular movement of blending with an attacker (Irimi-tenkan) |
| Kaiten | Turning on the spot 180, feet remaining in place |
| Irimi (or Omote ) | Moving to or across the front of an opponent,positive entering |
| Tenkan (or Ura) | Circular motion - turning to the outside of an opponent |
| Tenshin | A movement where nage retreats 45 degrees away from the attack |
| Torifune | Boat rowing exercise |
| Ikkio shihogiri | 4-direction turning |
| Tai-no-henko | Basic blending (tenkan) exercise |
| KI-no-nagare | Tai-no-henko as a flowing movement- or any technique |
| Irimi (omote) | Entering across the front of your partner |
| Hi-shin-undo | Back stretch |
| Kamae | Posture, stance. |
| Tachi | Standing |
| Keiza | Kneeling, but up on the toes |
| Iai (Tate) hiza | Kneeling on one calf |
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| Seiza | Formal sitting position, kneeling on both calves |
| Hanmi | Half forward stance (posture in which one foot is advanced) |
| Ai-hanmi | Opponents face each other in same postures |
| Gyaku-hanmi | Opponents face each other in different postures |
| Hidari-hanmi | Left natural posture |
| Migi-hanmi | Right natural posture |
| Hanmi-hantachi | One person is sitting and the other standing |
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| Hitoemi | Equal stance, feet parallel forward |
| Iai goshi | Hips lowered, stable position |
| Mai-ai | Correct distance between opponents |
| Mae | Forward |
| Migi | Right |
| Hidari | Left |
| Heiko | Parallel |
| Omote | Front |
| Ura | Back |
| Ushiro | Rearward, behind |
| Uchi | Inside |
| Soto | Outside |
| Katate dori | One hand holding one hand |
| Ai-hanmi katatedori | hand grab left wrist with your left hand |
| Gyaku-hanmi katatedori | To grasp with one's hand reversed; to grasp and opponents right wrist with your left hand |
| Gyaku | Reverse, opposite, inverted |
| Hiji dori | Elbow grab |
| Sode dori | Sleeve grab |
| Kata dori | Shoulder hold |
| Mune dori | One or two hand lapel hold (chest) |
| Morote dori | Two hands holding one hand |
| Ryote dori | Two hands holding two hands |
| Katatekosa-dori | Crosshand wristhold |
| Ryokata dori | Grabbing both shoulders |
| Ryokatate dori | Grabbing both wrists |
| Katatekosa dori | Crosshand wristhold |
| Ushiro tekubi dori | Wrist grab from the back |
| Ushiro ryote dori | Grabbing both wrists from the back |
| Ushiro ryokata dori | Grabbing both shoulders from the back |
| Ushiro hiji-dori | Hold elbows from behind |
| Ushiro eri-dori | Neck grab from the back (usually the collar ) |
| Ushiro kubi shime | Rear choke |
| Ushiro katate dori kubishime | Neck choke from behind with one hand and the other hand holding at the wrist |
| Munedakishime | Bear hug usually from behind - ushiro |
| Ikkyo | 1. principle = oshi taoshi |
| Nikyo | 2. principle = kotemaki |
| Sankyo | 3. principle = shibori-kime |
| Yonkyo | 4. principle |
| Gokyo | 5. principle, used where uke is holding a knife |
| Rokkyo | 6. principle = waki-katame or ude-hishigi, Lock applied against the elbow |
| Nanakyo | 7. principle = Yonkyo applied to back of wrist |
| Hakyo | 8. principle = kote-ori-kakae-kimi, kuji-dori = Nikyo in which his elbow is in your armpit and his hand is pulled forward; Pinning their hand with your foot |
| Kukyo | 9. principle = Inverted nanakyo |
| Kote gaeshi | Wrist turn-out - outwward wrist twist |
| Irimi nage | Entering body throw (" 20 year technique ") |
| Sukumen | Breath throw (underhead) |
| Shiho nage | Four direction throw |
| Tenchi nage | Heaven and earth throw |
| Kaiten nage | Rotary throw |
| Koshi nage | Hip throw |
| Mai otoshi | Corner drop from the back |
| Sumi otoshi | Corner drop |
| Otoshi | Dropping |
| Kokyu nage | Breath throw |
| Ude-garami | elbow lock and throw |
| Juji nage, juji garami | Arm entwining throw (" No. 10 throw ", since the arms form the japanese sign for 10 " + ". arms crossed, elbows locked) |
| Uchi-kaiten nage | Rotary throw inside (from the front) |
| Soto-kaiten nage | Rotary throw outside (from the side) |
| Kokyu ho | breathing method morotetori kokyu nage or ryotemochi kokynage ude-oroshi irimi |
| Kokyu-ryoku | Breathing power |
| Aiki otoshi | body drop, entering more deeply and picking up uke's off-side leg |
| Maki otoshi | nage ends up down on one knee, having thrown uke over nage's shoulder |
| Suni gaeshi | corner throw |
| Tai-atari uchi otoshi | from yokomen-uchi, entering and blocking.,uke gets thrown backwards |
| Ushiro udoroshi | pull down from behind |
| Kokyu dosa | Breath-power movement (from seiza) |
| Ganseki otoshi | Arm bar with elbow braced over shoulder |
| Katagatame | A variation of Kaiten nage where you lock your opponents houlder and bring him directly to the ground in a shoulder lock |
| Aikinage | " harmony " of throwing an opponent with no pre -control techniques |
| Katana | Japanese sword |
| Bokken | Wooden sword |
| Jo | Wooden stick (staff) |
| Tanto-dori | Defence against a knife (tanto) |
| Tachi-dori | Defence against a sword (bokken) |
| Jo-dori | Defence against a staff (Jo) |
| Bokken Suburi | the 7 basic sword cuts |
| Bokken awase | Partner blending practice |
| Bokken kumitachi | " kata " practice with the partner |
| Jo suburi | The 20 basic Jo movements |
| Jo kata | The 13, 31, 25 & 22 count katas |
| Kumi-Jo | Jo against Jo - blending practice |
| Ken-tai-Jo | Sword against Jo partner practice |
