aikido
Defensive sport of Japanese origin that consists of neutralizing an armed or unarmed opponent by means of dodging, throwing and holding, using bare hands.
bokken 
Wooden saber about 3.2 ft long that is used for training; the jo and the bokken help develop the concepts of distance and position.
aikidoka 
Athlete who practices aikido; it requires good coordination, well-developed reflexes, suppleness and keen concentration.
hakama 
Long skirt for hiding foot movement.
obi 
Long wide belt that is tied around the waist to close the jacket; its color indicates the aikidoka’s level.
aikidogi 
Clothing worn for practicing aikido; for beginners, it consists of a white jacket made of sturdy cloth and white pants.
jo 
Wooden stick about 4.2 ft long; it is used mainly for training.