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)

• raincoat
• slicker
• 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

Guests can also order grill kits, which include either steak or chicken along with green beans, mac and cheese, and baked beans, all to be cooked on your private grill. — Condé Nast, Condé Nast Traveler, 15 Aug. 2026

There are also rotating daily specials built around classic country-cooking dishes, along with sides such as mac and cheese and vegetables. — Evan Moore, Charlotte Observer, 12 Aug. 2026

Also offered are classic sides including potato salad, mac and cheese, beans and coleslaw. — Arkansas Online, 4 Aug. 2026

From classics like mac and cheese and deviled eggs to new variations on pasta salad and maybe even a showstopping pound cake recipe to add to your repertoire, potlucks are endless sources of inspiration and more importantly deliciousness. — Tara Massouleh McCay, Southern Living, 23 July 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