Agura (胡坐, lit. "foreign/barbarian sitting") is the equivalent of sitting on the floor cross-legged. It is generally considered improper for women.

An aikidoka is a practitioner of Aikido

Aikijinja is the shinto temple dedicated to aikido located in Iwama, Ibaraki prefecture.

The Aikikai Foundation (財団法人合気会, Zaidan Hōjin Aikikai) is the official aikido organisation founded by Morihei Ueshiba in order to diffuse and organise Aikido practice around the world.

Atemi is a strike to the body performed during an aikido technique.

Budō (武道)is a general term describing Japanese martial arts inventing in the early 20th century.

A dojo (道場) is a Japanese training hall used for budo practice.

Embukai (演武会) is a martial arts demonstration.

Gaikokujin (外国人) designates non-Japanese individuals.

Hakama (袴) are large, traditional Japanese trousers usually worn during ceremonies or during the practice of Japanese traditional martial arts such as Aikido, Kyudo or Kendo.

A kakemono (掛物) is a Japanese scroll painting or calligraphy mounted usually with silk fabric edges on a flexible backing.

Kamiza (上座) is the wall of honour in an Aikido dojo displaying pictures of the founder and towards which students bow at the beginning and end of the practice.

Keikogi (稽古着 or 稽古衣) or dōgi (道着) is a training uniform used in Japanese martial arts.

Kōan (公案) consists of a story, dialogue, question, or statement, the meaning of which cannot be understood by rational thinking but may be accessible through intuition.

Kōhai (後輩) is a hierarchical term used to refer to a junior or younger student/colleague.