(of birds, insects, reptiles, etc.) to cast or shed the feathers, skin, or the like, that will be replaced by a new growth.
to cast or shed (feathers, skin, etc.) in the process of renewal.
an act, process, or an instance of molting.
something that is dropped in molting.
- Also especially British, moult .
- molter, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use molt in a sentence
This coat remains until the following summer or fall, when it is molted and replaced by a new one.Our Domestic Birds | John H. Robinson
So valuable have these been considered that it has been a practice to pluck the live geese each year before they molted.Our Domestic Birds | John H. Robinson
For example, the designation "4 P old" signifies that all primaries except the distal four have been molted.Vertebrates from the Barrier Island of Tamaulipas, Mxico | Robert K Selander
The rope twisted and whipped in the air, and the result was a molted-looking, droop-tailed buzzard.Mr. Wicker's Window | Carley Dawson
Upper wing-coverts and secondaries fuscous-black (freshly molted feathers blacker) narrowly edged with olive-ocher.Descriptions of Three New Birds from the Belgian Congo | James Chapin
British Dictionary definitions for molt
the usual US spelling of moult
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
Scientific definitions for molt
To shed an outer covering, such as skin or feathers, for replacement by a new growth. Many snakes, birds, and arthropods molt.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.