spiny-finned

[ spahy-nee-find ]

adjective

, Ichthyology.

1. having fins with sharp bony rays, as an acanthopterygian.

spiny-finned

adjective

1. (of certain fishes) having fins that are supported by stiff bony spines See also acanthopterygian Compare soft-finned

Word History and Origins

Origin of spiny-finned¹

First recorded in 1880–85