Meaning of topsmelt

top•smelt

Pronunciation: (top'smelt"), [key]
— pl. -smelts, -smelt.
  1. a silversides, Atherinops affinis, of waters along the Pacific coast of North America: valued as a food fish. Also called baysmelt.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.