Definition of "tailfin" [tailfin]

• A fin at the tail (of a fish or airplane) (noun)
• A fin like projection at the rear of a car, common on American cars of the 1950s. (noun)

Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License

• "In the fish markets of Asia, the tailfin from a basking shark can fetch nearly $10,000 (£5,250), a price tag justified not by its nutritional value, but its desirability as a vast sign on which restaurants can advertise their shark fin soup."
• "The retro media centre was Thomas Thomassen's Final Major Project in BA (Hons) Modelmaking for Design and Media at the Arts Institute at Bournemouth -- it's an atompunk* tailfin fantasy that would look absolutely fantastic atop your giant console TV, serving as your home's media hub."
• "Much of the detailing echoes Zeppelin design, while its V8 Ford engine is a mounted at the rear, under a long tailfin designed to both cool the engine and increase stability."