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basking shark

American  
[bas-king, bah-sking] / ˈbæs kɪŋ, ˈbɑ skɪŋ /

noun

  1. a large shark, Cetorhinus maximus, of cold and temperate seas, that often swims slowly or floats at the surface.


basking shark British  

noun

  1. Also called: sailfish.  a very large plankton-eating shark, Cetorhinus maximus , often floating at the sea surface: family Cetorhinidae

"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 basking shark

First recorded in 1760–70