moult

noun, verb — 4 senses

moult

noun

US /moʊlt/ · UK /mɒlt/

Etymology From Middle English mouten, from Old English *mutian (cf. bemutian), from Latin mūtō, mūtāre. Doublet of mute and mutate. Un-etymological ⟨l⟩ was introduced into the spelling by mistakenly assuming a French origin with -l- (compare fault, vault and solder with correctly restored etymological ⟨l⟩).

1

The process of shedding or losing a covering of fur, feathers or skin etc.

  • Some birds change colour during their winter moult.
2

The skin or feathers cast off during the process of moulting.

Derived terms
catastrophic moult, postmoult, premoult

moult

verb

Etymology From Middle English mouten, from Old English *mutian (cf. bemutian), from Latin mūtō, mūtāre. Doublet of mute and mutate. Un-etymological ⟨l⟩ was introduced into the spelling by mistakenly assuming a French origin with -l- (compare fault, vault and solder with correctly restored etymological ⟨l⟩).

1

To shed or lose a covering of hair or fur, feathers, skin, horns, etc, and replace it with a fresh one.

2

To shed in such a manner.

Derived terms
intermoult, moulter, unmoulted

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.

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