pivot foot (the foot around which one’s body turns in sport, dance, etc.) / crux, focus (something of great importance for an argument, a plan, etc.)

(genetics) X chromosome

3x3 basketball

Synonym of 3x3 (surī-ekkusu-surī)

(astronomy, physics) cosmic ray

a Japanese stringed instrument played by plucking, vaguely similar to a banjo / short for 三味線草 (shamisen-gusa): the shepherd's purse, Capsella bursa-pastoris

(uncommon) a Japanese stringed instrument played by plucking, vaguely similar to a banjo

stretch mark, pregnancy stretch mark

polyurethane-coated copper wire

a run in tights