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Definition of mac

mac

/mæk/
mac
Plural:macs
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mac Lexical Profile

mac Game Scores & Validity

• noun

1

A personal computer designed and manufactured by Apple Inc. (usually capitalized as Mac, short for Macintosh).

Example

"The graphic design studio uses a Mac for all of its video editing projects."

2

North American An informal shortening of macaroni, especially when prepared with cheese.

Example

"The diner serves a classic baked mac with a crispy breadcrumb topping."

3

British A waterproof raincoat or overcoat, especially one made of rubberized cloth.

Example

"Don't forget to put on your mac before heading out into the drizzle."

4

North American An informal, friendly form of address for a man or boy whose name is unknown to the speaker.

Example

"Hey mac, could you tell me which train goes downtown?"

Synonyms
View all synonyms for mac

• Rhymes for mac

• Nearby Words

ma river
mabolo
mabuya
mac
mac and cheese
mac mac
maca

Word Origin & Etymology

In the sense of a raincoat, the word is a 19th-century shortening of 'mackintosh', named after the Scottish chemist Charles Macintosh, who patented waterproof rubberized fabric in 1823. As an informal form of address, it derives from the common Scottish and Irish patronymic surname prefix 'Mac-', meaning 'son of' in Gaelic.

Cite this Entry

Wordmom. (2026). Definition of Mac. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/mac
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