warm-blooded Meaning, Definition & Usage

  1. adjective having warm blood (in animals whose body temperature is internally regulated)

WordNet

Warm"-blood`ed adjective
Definitions
  1. (Physiol.) Having warm blood; -- applied especially to those animals, as birds and mammals, which have warm blood, or, more properly, the power of maintaining a nearly uniform temperature whatever the temperature of the surrounding air. See Homoiothermal.

Webster 1913