kata : 1. stylised form; pre-arranged techniques used to practice many martial arts 2. shoulder; e.g., kata guruma 3. one-sided; one (of two); e.g., kataha jime
kataha : single edge; single wing
katame : (gatame) hardening; fortifying; tightening; used in judo to mean grappling or a hold or lock
katame waza : grappling techniques of judo; often used interchangeably with ne waza
keikoku : Penalty Point (-7) : No Longer used, replaced by third shido
kesa : scarf; in particular, the scarf of a Buddhist monk
kiken-gachi : win by withdrawal
kime : focus
kiotsuke : to command someone to pay attention
ko : minor; compare to o; e.g., kosoto gari
Kodokan : headquarters of judo in Japan; literally, "school for studying the way"; also used when referring to judo, as in Kodokan Judo.
tachi waza : standing techniques (techniques done from the standing position)
tai : the body
tani : valley
tatami : a rice straw mat commonly used in traditional Japanese homes to soften the hard wooden floors; also used in some Japanese martial arts to provide a relatively soft surface to take hard falls
tate : vertical
tawara : straw rice bag; bale
te : hand
te waza : hand techniques
toketa : broken
tokui waza : favourite technique
tomoe : comma-like design or shape
tori : (dori) pull; grab; grasp; take; take away; in Japanese martial arts, the one who performs or demonstrates ("takes") a technique; compare to uke
tsukuri : stepping into the throw
tsuri : fishing; to lift up (as when hooking a fish)
tsurikomi : lifting and pulling up in a circular motion (as when hooking a fish); taking in
uke : receiving; in Japanese martial arts, the one who "receives" a technique; also in Japanese martial arts, a block (to "receive" a strike); compare to tori
ukemi : breakfalling; literally, "receiving with the body"
In the traditional judo curriculum, katame waza consists of three sub-categories: joint-locking techniques (kansetsu waza), strangling/choking techniques (shime waza), and pinning techniques (osae komi waza). Except for the pinning techniques (which are by definition done on the ground), the other two waza can be done either on the ground or standing. Ne waza (ground techniques), however, refers solely to techniques performed on the ground. Hence, some katame waza (e.g., an armbar from the standing position) are not ne waza and katame waza and ne waza should technically be considered distinct. However, since most katame waza are in fact done from the ground, it has become acceptable to use katame waza and ne waza interchangeably.
The original kyu/dan belt ranking system created by Jigoro Kano, founder of judo, in the early 20th century only had 6 kyu ranks. Some systems use more.