amphibians

Cultural Dictionary
amphibians [(am-fib-ee-uhnz)]

Vertebrate animals, such as frogs, that live part of their life cycle in the water and the other part on land.

Note: Amphibian is also used to describe things such as vehicles that can operate both on land and in the water.
Note: Amphibians were the first land-dwelling animals to evolve.
The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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