Pronunciation: (bāt'fish"), [key]
—pl. (esp. collectively) -fish, (esp. referring to two or more kinds or species) -fish•es.
1. a small fish that is a source of food for a larger fish: Fishermen knew the presence of baitfish meant plenty of bass nearby.
2. Angling.any small fish, as a minnow or shiner, used as bait.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.