mamma
1 Americannoun
noun
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Anatomy, Zoology. a structure, characteristic of mammals, that comprises one or more mammary glands with an associated nipple or teat, usually rudimentary unless developed and activated for the secretion of milk in the female after the birth of young.
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Meteorology. the hanging protuberances of a mammatus, on the undersurface of a thunderstorm cloud.
The mamma in this formation are distinctly ominous.
noun
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Also: momma. another word for mother 1
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informal a buxom and voluptuous woman
noun
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the milk-secreting organ of female mammals: the breast in women, the udder in cows, sheep, etc
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(functioning as plural) breast-shaped protuberances, esp from the base of cumulonimbus clouds
Other Word Forms
Etymology
Origin of mamma
First recorded before 1050; Middle English, from Latin: “breast, teat” (whence Old English mamme “teat”); see mamma 1
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.
Young and trendy Parisian restaurants such as Paloma or Ober Mamma are usually tastier and cheaper, especially in the up-and-coming 18th, 19th, and 20th arrondissements.
From Barron's • Mar. 8, 2026
Off-court, he’s reserved, almost shy, a chess player and Overwatch videogame fanatic whose favorite Friend is Joey and whose preferred movies are family fare like Mamma Mia and High School Musical.
From The Wall Street Journal • Sep. 16, 2025
I would finish my day by going to dinner at Osteria Mamma and getting — I don’t want to get in trouble for this, because they took it off the menu — their pasta pomodoro.
From Los Angeles Times • Jun. 20, 2025
The yacht Grazie Mamma II carried its crew along the coastlines and archipelagos of the Mediterranean.
From New York Times • Nov. 7, 2023
Dimple groaned and clutched her head, feeling like that ancient pressure cooker Mamma still used when she made idli cakes.
From "When Dimple Met Rishi" by Sandhya Menon
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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.