threadfin
noun
thread·fin
ˈthred-ˌfin
: any of various bony fishes (family Polynemidae, especially genus Polydactylus) having elongated filamentous rays on the pectoral fin
also
: a fish (such as Dorosoma pretense of the herring family) having usually one similar ray extending from a fin
Love words? Need even more definitions?
Merriam-Webster unabridged
Share