Longman Dictionary of Contemporary English homepage

Date: 1800-1900
Language: Late Latin
Origin: mammalis 'of the breast', from Latin mamma 'breast'

mammal

 noun
     
Related topics: Biology, Animals
mam‧mal [countable]
HBA a type of animal that drinks milk from its mother's body when it is young. Humans, dogs, and whales are mammals.
—mammalian adjective
Definition from the Longman Dictionary of Contemporary English
Advanced Learner's Dictionary.

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