snail darter: Meaning and Definition of

snail' dart'er

Pronunciation: [key]
  1. a tan, striped, snail-eating perch, Percina tanasi, 3 in. (7.5 cm) long, occurring only in the Tennessee River: a threatened species.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.