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finned

American  
[find] / fɪnd /

adjective

  1. having fins.


finned British  
/ fɪnd /

adjective

  1. having one or more fins or finlike parts

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of finned

First recorded in 1300–50, finned is from the Middle English word finnede. See fin 1, -ed 3

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The finned culprit “nipped” at the unidentified 54-year-old swimmer, causing non-life-threatening injuries to the man’s leg and foot, according to Los Angeles Fire Department Capt. Adam VanGerpen.

From Los Angeles Times • Sep. 30, 2025

Magnus wrote in his 1555 book they were 200-feet long with broad, forked tails and finned feet, with faces resembling warthogs and dual blow-holes on the top of their heads.

From National Geographic • Dec. 28, 2023

Extra-long rear flippers might have aided propulsion in concert with its long finned tail.

From Science Daily • Dec. 12, 2023

That idea was bolstered last year when Ibrahim’s team announced the discovery of a finned, eel-like Spinosaurus tail.

From Seattle Times • Jan. 26, 2021

He could feel the rumble of the craft’s engines tilling the air but couldn’t make out the silver skin, the sweeping ribs, the finned tail.

From "Unbroken" by Laura Hillenbrand