society > travel > means of travel > a conveyance > vehicle > powered vehicle > parts and equipment of motor vehicles > [noun] > body or bodywork > fin (3)
tail fin1954
(a) the caudal fin of a fish; (b) Aeronautics (see quot. 1940); (c) an upswept ornamental projection forming a continuation of the fender line at…
fin1959
A projecting part. On a motor vehicle. Hence fin-tailed adj.