checked swing

[ chekt swing ]
/ ˈtʃɛkt ˌswɪŋ /

noun Baseball.

a swing of the bat in which the batter holds back just after starting to swing, thereby avoiding swinging into a strike: It looked like a checked swing to me, but the umpire called him out, saying he swung for the third strike.
Also check swing.

Origin of checked swing

First recorded in 1955–60