Definition of littermate
: one of the offspring in a litter in relation to the others
Recent Examples of littermate from the Web
While mice with an intact sense of smell grow obese on a steady diet of high-fat chow, their littermates who have had their sense of smell expunged can eat the same food yet remain trim.
The dog comes into being as a puppy, scrabbling with its littermates.
Five other littermates were also delivered, each surrounded by its own placenta, as is usually the case in dogs.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'littermate'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
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