a large shark, Cetorhinus maximus, of cold and temperate seas, that often swims slowly or floats at the surface.
Origin of basking shark
First recorded in 1760–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a very large plankton-eating shark, Cetorhinus maximus, often floating at the sea surface: family CetorhinidaeAlso called: sailfish
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