noun
ball game; ball sport
General term for sports played with a ball, such as baseball, tennis, soccer, basketball, etc.
彼は球技が得意だ。
He is good at ball games.
体育の授業で球技をした。
We played ball sports in PE class.
noun
Only when written 球戯
Dated term for billiards, using the older kanji 球戯. Modern Japanese normally uses ビリヤード.
See also: ビリヤード
昔は球戯といえばビリヤードのことだった。
In the past, 球戯 referred to billiards.
Compound of 球 (ball) and 技 (technique, skill). The variant 球戯 uses 戯 (play, game) and is now dated.