fin

¹fin

noun \ˈfin\

Definition of FIN

1

: an external membranous process of an aquatic animal (as a fish) used in propelling or guiding the body — see fish illustration

2

: something resembling a fin: as a : hand, arm b (1) : an appendage of a boat (as a submarine) (2) : an airfoil attached to an airplane for directional stability c : flipper 1b d : any of the projecting ribs on a radiator or an engine cylinder

— fin·like \-ˌlīk\ adjective

— finned \ˈfind\ adjective

Origin of FIN

Middle English finn, from Old English

First Known Use: before 12th century

Other Anatomy Terms

bilateral symmetry, carotid, cartilage, dorsal, entrails, prehensile, renal, solar plexus, supine, thoracic, ventral

Rhymes with FIN

bin, blin, chin, din, Finn, Fyn, gin, grin, Gwyn, hin, in, inn, kin, linn, Lynn, pin, shin, Shin, sin, skin, spin, thin, tin, twin, whin, win, wynn, yin, zin