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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

In fact, some marsupials lose the Y early in development, and in mammals the chromosome has been shrinking for about 150 million years.

From Science Daily • Mar. 20, 2026

Concentrations of beryllium, copper, chromium, nickel and lead in particular were significantly above established safety thresholds for marine life, prompting fears for the long-term health of fish, marine mammals and the marine food chain.

From Los Angeles Times • Mar. 20, 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

They kill more people each year than do any other African mammals, including even lions.

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.