a commonly domesticated soundless white swan, Cygnus olor, of Europe and Asia.
Origin of mute swan
First recorded in 1775–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for mute swan
a Eurasian swan, Cygnus olor, with a pure white plumage, an orange-red bill with a black base, and a curved neckCompare whistling swan
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