Definition of "homeotherm" []

• An organism, such as a mammal or bird, having a body temperature that is constant and largely independent of the temperature of its surroundings; an endotherm. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Man is a "homeotherm" -- that is, our bodies try to maintain a constant body temperature irrespective of the temperature of their surroundings."
• "To maintain a constant body temperature, a homeotherm must balance heat loss with heat production."