mammal Meaning, Definition & Usage

  1. noun any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk
    mammalian.

WordNet

Mam"mal noun
Etymology
L. mammalis belonging to the breast, fr. mamma the breast or pap: cf. F. mammal.
Wordforms
plural Mammals
Definitions
  1. (Zoöl.) One of the Mammalia.

Webster 1913