pac

¹ American  

[pak] / pæk /

noun

1. pack.

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pac ² American  

[pak] / pæk /

noun

1. Also pack a soft, flexible, heelless shoe worn as a liner inside a boot or overshoe.

2. shoepac.

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PAC ³ American  

[pak] / pæk /

Or P.A.C.

noun

plural

PAC's, PACs

1. political action committee: an organization established by a corporation or other special interest to raise money from individuals for a political campaign or other political cause.

   a labor-union PAC that backs Democratic candidates.

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Pac. ⁴ American  

abbreviation

1. Pacific.

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PAC ¹ British  

abbreviation

1. Pan-Africanist Congress

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Pac. ² British  

abbreviation

1. Pacific

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Etymology

Origin of pac²

An Americanism first recorded in 1870–75; extracted from shoepac by false analysis as shoe + pac

Origin of PAC³

First recorded in 1940–45

Example Sentences

Mandarin and the other three Chagossians on the islands are backed by the Great British PAC, a right-wing British political pressure group.

From BBC

It is the Bruins’ first conference championship since the 1998-99 season, when they tied for first in the Pac-10.

From Los Angeles Times

Leading the charge on the industry side is Leading the Future, a pro-AI super PAC backed by OpenAI's Greg Brockman, venture capital behemoth Andreessen Horowitz, Palantir co-founder Joe Lonsdale, and AI search company Perplexity.

From Barron's

Leading the Future raised $125 million in the second half of 2025, according to official filings, and is co-led by Josh Vlasto -- a former adviser to Fairshake, the crypto-aligned super PAC whose playbook Leading the Future is looking to repeat.

From Barron's

The Texas Senate Leadership Fund, a PAC started by Patrick, who oversees the state Senate, added $463,250.

From Salon

Related Words

• lobbyist
• pressure group