mac

noun (1)
\ ˈmak How to pronounce mac (audio) \
variants: or

Definition of mac

 (Entry 1 of 6)

British

mac

noun (2)

Definition of mac (Entry 2 of 6)

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 GuginoDear Barbecue Joint: You make amazing mac 'n' cheese … but must you add crumbled bacon?— Julie R. Smith

Mac

noun (3)
\ ˈmak How to pronounce Mac (audio) \

Definition of Mac (Entry 3 of 6)

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

Mac

abbreviation (1)

Definition of Mac (Entry 4 of 6)

Machabees

Mac

abbreviation (2)
variants: or Macc

Definition of Mac (Entry 5 of 6)

Maccabees

MAC

abbreviation (3)

Definition of MAC (Entry 6 of 6)

military airlift command

Keep scrolling for more

Synonyms for mac

Synonyms: Noun (1)

mackintosh (also macintosh) [chiefly British], oilskin, raincoat, slicker, waterproof [chiefly British]

Visit the Thesaurus for More 

Examples of mac in a Sentence

Noun (1)

I'm glad the little nipper remembered his mac today, because it's supposed to rain.

First Known Use of mac

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

History and Etymology for mac

Noun (3)

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

Keep scrolling for more

Learn More about mac

Dictionary Entries near mac

mabuya

mabyer

Mac

mac

MAC

Macá

macaasim

Statistics for mac

Last Updated

23 Apr 2019

Look-up Popularity

Time Traveler for mac

The first known use of mac was in 1901

See more words from the same year

Keep scrolling for more

More Definitions for mac

Mac

noun

English Language Learners Definition of Mac

US, informal + old-fashioned + sometimes impolite used to speak to a man who you do not know

Medical Definition of mac

 (Entry 1 of 2)

macerate

Medical Definition of MAC (Entry 2 of 2)

1 maximum allowable concentration
2 Mycobacterium avium complex

More from Merriam-Webster on mac

Rhyming Dictionary: Words that rhyme with mac

Thesaurus: All synonyms and antonyms for mac

Comments on mac

What made you want to look up mac? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

standardized text or formulaic language

Get Word of the Day daily email!

Test Your Vocabulary

Finance Words Quiz

  • a-piggy-bank
  • The etymology of mortgage is related most closely to which two words?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!