420

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

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English

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

Unknown, although numerous theories abound; see Wikipedia; the most commonly-cited theory is that it originates from the time (4:20 pm) one particular group of smokers, the Waldos in San Francisco, met.[1]

Alternative forms

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

Noun

420 (uncountable)

1. (slang, especially Canada, US) A phrase used to identify oneself with the consumption of cannabis, or cannabis culture.

Anagrams

• 0-4-2, 2-4-0