animal kingdom definition by American Heritage Dictionary
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A main classification of living organisms that includes all animals.
animal kingdom - Cultural Definition
The group of living things typically distinguished from members of the plant kingdom by the power of moving from place to place and by a metabolism that does not use photosynthesis.