threadfin

[ thred-fin ]
/ ˈθrɛdˌfɪn /

noun

any spiny-rayed fishes of the family Polynemidae, having the lower part of the pectoral fin composed of numerous, separate, filamentous rays.

Origin of threadfin

First recorded in 1885–90; thread + fin1

Words nearby threadfin

thread-legged bug, thread-line fishing, threadbare, threaded, threaded glass, threadfin, threadfish, threadneedle street, threads, threadworm, thready

British Dictionary definitions for threadfin

threadfin
/ (ˈθrɛdˌfɪn) /

noun plural -fin or -fins

any spiny-finned tropical marine fish of the family Polynemidae, having pectoral fins consisting partly of long threadlike rays