Answer: tailfin
AnswerCrossword Clue
TAILFINPart of a fish
TAILFINFeature of some classic cars
TAILFINRear end feature
TAILFINFender feature
TAILFIN'50s auto feature
TAILFINExaggerated 50's car feature
TAILFINCar brake light holder, once
TAILFINOrnamental projection on some 1950s cars
TAILFINFeature on many 1950's cars
TAILFINAircraft's vertical stabilizer
TAILFINBit of auto design inspired by the jet age
TAILFINSomething big in 1950s autodom
tailfina fin at the posterior end of a fish