Word.ws English Dictionary

mac

/mæk/

mac noun: a person of Scottish descent (used in driving culture to denigrate someone for poor/slow/amateurish driving responses). Also the clipping of mackintosh.

Noun (1)

mac (plural macs)

  1. (Australia, Canada, UK, US, derogatory, ethnic) A person of Scottish descent (used in driving culture to denigrate someone for poor/slow/amateurish driving responses).

Proper noun (1) capitalized: MAC

MAC

  1. (US, abbreviation, acronym) Acronym of Military Airlift Command, formerly, one of three former divisions of the US airforce, the others being SAC and TAC.
  2. (abbreviation, acronym) Acronym of Military Armament Corporation.
  3. (abbreviation, initialism, UN) Initialism of Military Armistice Commission.

Noun (2) capitalized: MAC

MAC (countable and uncountable, plural MACs)

  1. (abbreviation, initialism) Initialism of maximum allowable concentration, the maximum concentration of a pollutant which is considered harmless to healthy adults during their working hours, assuming they breathe uncontaminated air at all other times.
  2. (abbreviation, initialism, computer security) Initialism of mandatory access control.
  3. (abbreviation, initialism) Initialism of media access control: the portion of Ethernet, Wi-Fi 802.11 wireless, Bluetooth, FDDI, ATM, and Fibre Channel networks that controls which hardware devices have access to the media over which signals are sent.
    • When operating on customer MAC (C-MAC) and service MAC (S-MAC) addresses, PBB uses a new backbone MAC (B-MAC) address. The B-MAC address is added at the edge of the PBB network, that is administered by a carrier VPN or a carrier-of-carriers VPN.2025 April 17, “Provider Backbone Bridging (PBB) and EVPN Integration Overview”, in Juniper Networks, archived from the original on 01 Jul 2025
  4. (abbreviation, initialism) Initialism of mean aerodynamic chord.
  5. (abbreviation, initialism) Initialism of mid-air collision.
  6. (abbreviation, initialism) Initialism of message authentication code.
  7. (abbreviation, historical, initialism) Initialism of merchant aircraft carrier.
  8. (abbreviation, initialism) Initialism of magnetic accelerator cannon.
  9. (UK, abbreviation, initialism) Initialism of Migration Authorisation Code.
  10. (abbreviation, initialism) Initialism of membrane attack complex, a part of the complement system of the innate immune system.
  11. (abbreviation, initialism) Initialism of multiply and accumulate, a hardware module found in digital signal processors which performs a multiplication and adds the result of that operation to an accumulator in the same cycle, used extensively in implementations of digital filters, transforms, and codecs.
  12. (abbreviation, initialism) Initialism of Mycobacterium avium complex.
  13. (abbreviation, initialism) Initialism of minimum alveolar concentration.
  14. (abbreviation, initialism) Initialism of monitored anesthesia care.

Noun (3) capitalized: Mac

Mac (plural Macs)

  1. (US, informal) Used to address a man whose name is unknown.
    • Have you got a light, Mac?
    • TIME was, the stereotypical New York cabdriver was a gabby if slightly gruff man with a Brooklyn accent who knew every pothole in every street in every borough and greeted people with the world-weary query, "Where to, Mac?"1998 May 24, Bearak, Barry, “The Nation: Parallel Universe; Listen Up, Out There. Here's What Cabbies Think of You.”, in The New York Times, section 4, page 1
    Synonyms:
    John

Proper noun (2) capitalized: Mac

Mac (plural Macs)

  1. A diminutive of the male given name Max.
  2. (Canada, US) A diminutive for a person with a surname that starts with "Mac" or "Mc".
    Synonyms:
    Macca

Noun (4) capitalized: Mac

Mac (plural Macs)

  1. A Macintosh computer (made by Apple Inc.).
    • Although our Macs served us well, in those early, dark years Macintosh users were effectively excommunicated by the computer establishment.1987, InfoWorld, volume 9, number 37, page 46
    • Built by Matthew Weed, a blind political science and history major, and Victor Grigorieff, a computer science and psychology major, the system is based on a Macintosh IIfx, although it can run on earlier models, since each Mac program has a similar interface.1991, “Breaking Communications Barriers”, in Compute!, volume 13, number 9, pages 28–31

Proper noun (3) capitalized: Mac

Mac

  1. (informal) McMaster University

Proper noun (4) capitalized: Mac

Mac

  1. (Singapore, slang) McDonald's
    Synonyms:
    Macs

Also used as

mac is also the clipping of mackintosh.

mac is also the clipping of macaroni.

mac meaning in Hindi, Tamil, Marathi and Urdu

mac in Hindi

मैक

mac in Tamil

மேக், மாக்

mac in Marathi

मॅक

mac in Urdu

میک
More languagesFewer languages
mac in Bengali
ম্যাক
mac in Telugu
మాక్, మ్యాక్
mac in Malayalam
മാക്, മക്, മാക്ക്
mac in Kannada
ಮ್ಯಾಕ್, ಮಾಕ್
mac in Punjabi
ਮੈਕ
mac in Gujarati
મેક, મૅક
mac in Odia
ମାକ୍, ମ୍ଯ଼ାକ୍
mac in Nepali
म्याक, म्याक्

Synonyms of mac

Forms of mac

Noun
pluralmacs
pluralMACs
pluralMacs
Proper noun
pluralMacs

Origin of mac

Clipping of mackintosh.

Clipping of macaroni.

See macc for details.

Words formed from mac

Phrases with mac

7 more phrasesFewer phrases

Words that rhyme with mac

48 more rhymesFewer rhymes

Questions about mac

What does mac mean?
Mac means a person of Scottish descent (used in driving culture to denigrate someone for poor/slow/amateurish driving responses).
What is mac in Hindi?
Mac in Hindi is मैक. See Mac meaning in Hindi.
What part of speech is mac?
Mac can be a noun or a proper noun.
How do you pronounce mac?
Mac is pronounced /mæk/.
What is the plural of mac?
The plural of mac is macs.

Words near mac in the dictionary

  1. Mabuslo
  2. mabuterol
  3. Mabuti
  4. Mabuyag
  5. mabye
  6. mac
  7. mac 'n' cheese
  8. mac 'n' cheesy
  9. MAC address
  10. MAC addresses
  11. mac and cheese

Source and license

Adapted from Wiktionary: mac (page history and authors); MAC (page history and authors); Mac (page history and authors); mac (Hindi, IndicTrans2 machine translation) (model and license); mac (Tamil, IndicTrans2 machine translation) (model and license); mac (Marathi, IndicTrans2 machine translation) (model and license); mac (Urdu, IndicTrans2 machine translation) (model and license); mac (Bengali, IndicTrans2 machine translation) (model and license); mac (Telugu, IndicTrans2 machine translation) (model and license); mac (Malayalam, IndicTrans2 machine translation) (model and license); mac (Kannada, IndicTrans2 machine translation) (model and license); mac (Punjabi, IndicTrans2 machine translation) (model and license); mac (Gujarati, IndicTrans2 machine translation) (model and license); mac (Odia, IndicTrans2 machine translation) (model and license); mac (Nepali, IndicTrans2 machine translation) (model and license). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-mac.wav.

Cite this entry: “mac.” Word.ws, https://word.ws/mac. Based on Wiktionary, CC BY-SA 4.0.