mac

1 of 6

noun (1)

variants or mack
British

mac

2 of 6

noun (2)

informal
: macaroni
commonly used in the compounds mac and cheese and mac 'n' cheese
For those tired of seafood—it happens—a homey mac and cheese was the comfort food for the day.Sam Gugino
Dear Barbecue Joint: You make amazing mac 'n' cheese … but must you add crumbled bacon?Julie R. Smith

Mac

3 of 6

noun (3)

: fellow
used informally to address a man whose name is not known

Mac

4 of 6

abbreviation (1)

Machabees

Mac

5 of 6

abbreviation (2)

variants or Macc
Maccabees

MAC

6 of 6

abbreviation (3)

military airlift command

Examples of mac in a Sentence

Noun (1) I'm glad the little nipper remembered his mac today, because it's supposed to rain.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
Sides include dill pickle and pesto pasta for $4.50 and mac and cheese and soups for no more than $8. Ella Gonzales, Fort Worth Star-Telegram, 19 May 2025 Serve this with classic barbecue sides like slaw, pickles, potato salad, and mac and cheese. Catherine Jessee, Southern Living, 6 May 2025 Try stirring it into mac and cheese, vodka sauce penne, or even into a quick pasta salad. Audrey Bruno, SELF, 11 Apr. 2025 The menu includes all your favorite American comfort food dishes – cheese fries, onion rings, mac and cheese, potato salad, hushpuppies, chicken tenders, hamburgers, quesadillas, wings and more. Alexandra Maloney, Charlotte Observer, 21 Mar. 2025 Sides lean toward hearty and include mac and cheese and jalapeño creamed corn. Brandee Gruener, Southern Living, 19 Mar. 2025 The food is the main draw, though, with the brisket, mac and cheese and Chesapeake pickleback slaw being Bruce’s go-to order. Madisson Weyrich, Baltimore Sun, 11 Mar. 2025 Favorite dishes include bowls, gluten-free mac and an avocado wrap. Jason Dill, Miami Herald, 10 Mar. 2025 At the top of the list is a recall for Feel Good Foods’ frozen mac and cheese bites, which were pulled from stores nationwide after the discovery of metal contamination. Stephanie Gravalese, Forbes, 3 Mar. 2025

Word History

Etymology

Noun (3)

Mac-, Mc-, patronymic prefix in Scottish and Irish surnames

First Known Use

Noun (1)

1901, in the meaning defined above

Noun (2)

1920, in the meaning defined above

Noun (3)

circa 1918, in the meaning defined above

Time Traveler
The first known use of mac was in 1901

Browse Nearby Words

Cite this Entry

“Mac.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mac. Accessed 19 Aug. 2025.

Medical Definition

mac

1 of 2 abbreviation
macerate

MAC

2 of 2 abbreviation
1
maximum allowable concentration
2
Mycobacterium avium complex
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