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Synonyms

mammals

Cultural  

  1. 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.

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

He adds they are important parts of the food chain and support birds, small mammals, fish and other wildlife.

From BBC • Mar. 28, 2026

The insects can generate their own body heat like mammals and produce antifreeze proteins similar to those found in Arctic fish.

From Science Daily • Mar. 26, 2026

The catastrophic 1969 offshore oil spill in Santa Barbara killed thousands of sea birds and marine mammals.

From Los Angeles Times • Mar. 26, 2026

The region hosts the world's second-largest population of dugongs -- herbivorous marine mammals known as "sea cows" that are listed as vulnerable -- with an estimated 5,000 to 7,500 individuals.

From Barron's • Mar. 17, 2026

The Fertile Crescent’s biological diversity over small distances contributed to a fourth advantage—its wealth in ancestors not only of valuable crops but also of domesticated big mammals.

From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.