mac

¹ American  

[mak] / mæk /

noun

(often initial capital letter)

1. fellow; bud (a familiar term of address to a man or boy whose name is not known to the speaker).

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mac ² American  

[mak] / mæk /

Or mack

noun

Informal.

1. a mackintosh.

2. McIntosh.

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mac ³ American  

[mak] / mæk /

noun

1. macaroni.

2. macaroni and cheese.

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Mac ⁴ American  

[mak] / mæk /

noun

1. a male given name.

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Mac. ⁵ American  

abbreviation

1. Maccabees.

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M.Ac. ⁶ American  

abbreviation

1. Master of Accountancy.

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Mac- ⁷ American  

Also Mc-,

1. a prefix found in many family names of Irish or Scottish Gaelic origin, as MacBride and Macdonald.

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Mac ¹ British  

/ mæk /

noun

1. an informal term of address to a man

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MAC ² British  

abbreviation

1. multiplexed analogue component: a transmission coding system for colour television using satellite broadcasting

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Mac. ³ British  

abbreviation

1. Maccabees (books of the Apocrypha)

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Mac- ⁴ British  

prefix

1. (in surnames of Scottish or Irish Gaelic origin) son of

   MacDonald

   MacNeice

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mac ⁵ British  

/ mæk /

noun

1. informal short for mackintosh mackintosh

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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

I think the first time I went, they had a really good oxtail mac and cheese.

From Los Angeles Times • Apr. 10, 2026

Gather your mac and cheese, your spanakopita triangles, your dumplings, your roasted vegetables in tidy bags.

From Salon • Feb. 12, 2026

Creamed spinach and mac and cheese will not stage a revolt.

From Salon • Feb. 12, 2026

Just make the mac and cheese for dinner.

From Slate • Jan. 20, 2026

Travis had a massive container of his mom’s mac and cheese.

From "The Serpent King" by Jeff Zentner

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