mac

1
[mak]
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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 mac

1
First recorded in 1650–60; special use of Mac

mac

2

or mack

[mak]
noun Informal.
  1. a mackintosh.
  2. McIntosh.

Origin of mac

2
shortened form

Mac

[mak]
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 of Mac-

< Irish, Scots Gaelic mac son, Old Irish macc; akin to Welsh, Cornish mab

Mac.

M.Ac.

  1. Master of Accountancy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for mac

mac

mack

noun
  1. British informal short for mackintosh (def. 1), mackintosh (def. 3)

Mac

1
noun
  1. mainly US and Canadian an informal term of address to a man

Word Origin for Mac

C20: abstracted from Mac-, prefix of Scottish surnames

MAC

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

Mac.

abbreviation for
  1. Maccabees (books of the Apocrypha)

Mac-

Mc- or M'-

prefix
  1. (in surnames of Scottish or Irish Gaelic origin) son ofMacDonald; MacNeice

Word Origin for Mac-

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

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