- fellow; bud (a familiar term of address to a man or boy whose name is not known to the speaker).
- a mackintosh.
- McIntosh.
- a male given name.
- a prefix found in many family names of Irish or Scottish Gaelic origin, as MacBride and Macdonald.
- Master of Accountancy.
- Maccabees.
- British informal short for mackintosh (def. 1), mackintosh (def. 3)
- an informal term of address to a man
- multiplexed analogue component: a transmission coding system for colour television using satellite broadcasting
- (in surnames of Scottish or Irish Gaelic origin) son of
- Maccabees (books of the Apocrypha)