420

See also: 4-2-0 and 4/20

English

Pronunciation

• Audio (General Australian):

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• Audio (UK):

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Etymology 1

So named because it is 420 centimetres long.

Noun

420 (plural 420s)

1. A particular type of monohull dinghy with two sails, designed for two people.

Etymology 2

Likely influenced by the time (4:20 pm) a particular group would meet in search of marijuana, circa 1971; subsequently spread as a cipher through the San Francisco Bay area and adopted among Grateful Dead fans.

Alternative forms

• 4:20, 4/20, four-twenty, four twenty

Noun

420 (slang, especially Canada, US)

1. Cannabis.
2. (usually as a modifier) Pertaining to cannabis, its consumption, or cannabis culture.

   Late nights at the recording studio were always 420 friendly.

3. April 20 (abbreviated 4/20 in the US), as an occasion to celebrate cannabis culture.

Further reading

• Oxford English Dictionary, "420, n." (archive link, archived April 2017)

Anagrams

• 0-4-2, 2-4-0