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mac1

[mak] /mæk/
noun, (often initial capital letter) Informal.
1.
fellow; bud (a familiar term of address to a man or boy whose name is not known to the speaker).
Origin of mac1
1650-1660
First recorded in 1650-60; special use of Mac

mac2

or mack

[mak] /mæk/
noun, Informal.
1.
a mackintosh.
2.
Origin
shortened form

Mac

[mak] /mæk/
noun
1.
a male given name.

Mac-

1.
a prefix found in many family names of Irish or Scottish Gaelic origin, as MacBride and Macdonald.
Also, Mc-, Mc-, M'-.
Origin
< Irish, Scots Gaelic mac son, Old Irish macc; akin to Welsh, Cornish mab

Mac.

1.

M.Ac.

1.
Master of Accountancy.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for mac
Contemporary Examples
Historical Examples
  • mac wasn't in Dawson, but he got there next mo'nin' and heard the news.

    The Yukon Trail William MacLeod Raine
  • “You must take the other fellow first, mac, if you want to get on,” suggested Wilton.

    St. Winifred's Frederic W. Farrar
  • I took it and started on the dead run for my billet, about 400 yards away, and in a minute or two mac followed with another comb.

    S.O.S. Stand to! Reginald Grant
  • Some farmer lads agreed to hold on to the tail while mac started the engine.

    High Adventure James Norman Hall
  • I've no need for fine clothes in mac's play this time, so I can afford a few duddies for myself.

    Alexander's Bridge and The Barrel Organ Willa Cather and Alfred Noyes
British Dictionary definitions for mac

mac

/mæk/
noun
1.
(Brit, informal) short for mackintosh (sense 1), mackintosh (sense 3)

Mac1

/mæk/
noun
1.
(mainly US & Canadian) an informal term of address to a man
Word Origin
C20: abstracted from Mac-, prefix of Scottish surnames

MAC

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

Mac.

abbreviation
1.
Maccabees (books of the Apocrypha)

Mac-

prefix
1.
(in surnames of Scottish or Irish Gaelic origin) son of: MacDonald, MacNeice
Word Origin
from Goidelic mac son of; compare Welsh mab, Cornish mab
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for mac

Mac

casual, generic term of address for a man, 1928, from Irish and Gaelic mac, a common element in Scottish and Irish names (literally "son of"); hence used generally from early 19c. for "a Celtic Irishman" (see Mac-).

Mac-

common element in Scottish and Irish names, from Old Celtic *makko-s "son." Cognate root *makwos "son" produced Old Welsh map, Welsh mab, ap "son;" also probably cognate with Old English mago "son, attendant, servant," Old Norse mögr "son," Gothic magus "boy, servant," Old English mægð "maid" (see maiden).

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for mac

mac

noun

Man; fellow; buster, jack •Used in direct address, often with a mildly hostile intent: Take it easy, mac

[1928+; fr the many surnames beginning Mac or Mc]

mac

verb

(also mac out, mac on) To eat; gorge: Let's go mac/ He really macked out last night/ mac on hamburgers and fries

[1980s+ Students; fr the McDonald's2 chain of fast-food restaurants]

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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