noun Download 🔗Share A fin at the tail of a fish, caudal fin Examples : "The fish's bright red tailfin was a beautiful sight. " fish anatomy part animal biology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A fin on the tail of an aircraft, vertical stabilizer Examples : "The airplane's tailfin helped to keep it stable during the flight. " part vehicle technical machine technology Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share A fin-like projection at the rear of a car, common on American cars of the 1950s. Examples : "My grandfather's old Cadillac had enormous tailfins, making it look like a spaceship on wheels. " vehicle style part appearance Chat with AIVocabulary GamePractice Reading