mammals


A class of vertebrates characterized by the production of milk by the females and in most cases, by a hairy body covering. Most mammals give live birth to their young. Human beings are mammals.

Words Nearby mammals

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

How to use mammals in a sentence

  • Its most probable explanation is that it appears as a passing survival of the first permanent coat of hair of the lower mammals.

    Man And His Ancestor | Charles Morris
  • The same peculiarity exists in the larger anthropoid apes and in some of the gibbons, but is not found in the lower mammals.

    Man And His Ancestor | Charles Morris
  • Among the carnivorous mammals the social dog or wolf tribe displays the intelligent habit of mutual aid.

    Man And His Ancestor | Charles Morris
  • In mammals the head rotates more easily, but valuable time is lost in the rotation of the whole body.

    Man And His Ancestor | Charles Morris
  • Of marine mammals the most characteristic are the sea-lion, fur-seal, sea-otter and harbour-seal.