mac
1 Americannoun
noun
abbreviation
abbreviation
noun
abbreviation
abbreviation
prefix
noun
Etymology
Origin of mac1
First recorded in 1650–60; special use of Mac
Origin of mac2
Shortened form
Origin of mac3
Shortened form
Origin of Mac-7
< Irish, Scots Gaelic mac son, Old Irish macc; akin to Welsh, Cornish mab
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.
Creamed spinach and mac and cheese will not stage a revolt.
From Salon • Feb. 12, 2026
Gather your mac and cheese, your spanakopita triangles, your dumplings, your roasted vegetables in tidy bags.
From Salon • Feb. 12, 2026
Just make the mac and cheese for dinner.
From Slate • Jan. 20, 2026
Kraft mac and cheese was the category’s leading brand by far, selling more than a million boxes a day.
From The Wall Street Journal • Jan. 2, 2026
It’s kind of cool, I guess—although sometimes you just want to eat your mac and cheese bites in peace, y’know?
From "Popcorn" by Rob Harrell
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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.