The Collaborative International Dictionary of English v.0.48:
Shortstop \Short"stop`\, n. (Baseball) The player stationed in the field bewtween the second and third bases. [1913 Webster]WordNet (r) 3.0 (2006):
short-stop n 1: an acid bath used to stop the action of a developer [syn: stop bath, short-stop, short-stop bath]