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  • a variation of molt.
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moult

British  
/ məʊlt /

verb

  1. (of birds, mammals, reptiles, and arthropods) to shed (feathers, hair, skin, or cuticle)

"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

noun

  1. the periodic process of moulting See also ecdysis

"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

Other Word Forms


Etymology

Origin of moult

C14 mouten, from Old English mūtian, as in bimūtian to exchange for, from Latin mūtāre to change


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.

See Examples For:

Neil the beloved elephant seal has once again returned to Seven Mile Beach, Tasmania, for his annual moult, keeping locals on their toes with his cheeky and sometimes destructive antics.

From Salon ● Jul. 7, 2026

Some may have travelled to another location in East Antarctica to moult, but this would have disrupted breeding, also leading to population losses.

From BBC ● Feb. 25, 2026

Thus, it makes sense that we moult depending on the temperature: hold onto our hair more tightly during the winter months and lose it in the summer.

From Washington Times ● Jan. 20, 2016

Heeled boots, studded with glitter, have begun to moult in the autumn damp; wherever Adele settles around the room she leaves behind traces of sparkle.

From The Guardian ● Nov. 15, 2015

The jerfalcon which had been given to Lancelot was not property through her moult Like Hamlet she was fat and scant of breath.

From "The Once and Future King" by T. H. White

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