mac

1 of 6

noun (1)

ˈmak 

variants or mack

British

: mackintosh

mac

2 of 6

noun (2)

informal

: macaroni

—usually used in the phrases 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)

ˈmak 

informal + old-fashioned

: 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

Synonyms of mac

Noun (1)

• slicker
• raincoat
• trench
• mackintosh

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

Noun

All the while, CharlotteFive readers have been narrowing down the city’s best mac and cheese. — Heidi Finley, Charlotte Observer, 17 Sep. 2026

Southern Pimiento Mac and Cheese Our readers love pimento cheese anything and are always looking for ways to spice up their mac n cheese. — Krissy Tiglias, Southern Living, 15 Sep. 2026

The pasta-maker didn't disclose terms of the deal to buy the healthier mac-and-cheese brand. — Emma Hinchliffe, Fortune, 3 Sep. 2026

Combine chili and mac and cheese in a cheesy chili mac made in the slow cooker or multicooker. — Katlyn Moncada, Better Homes & Gardens, 3 Sep. 2026

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

Phrases Containing mac

• mac and cheese

Rhymes for mac

• ack
• brack
• clack
• crack
• dak
• flack
• flak
• hack
• jack
• knack
• lac
• lack

Medical Definition

mac

1 of 2 abbreviation

macerate

MAC

2 of 2 abbreviation

1

maximum allowable concentration

2

Mycobacterium avium complex