Definition of octothorp in English:

octothorp

Syllabification: oc·to·thorp
Pronunciation: /ˈäktəˌTHôrp
 
/
(also octothorpe)

noun

chiefly North American
  • Another term for the pound sign ().
    More example sentences
    • By dialing the octothorpe (#) and 44, then saying ‘Messages,’ a subscriber can retrieve voice mail.
    • This starts with an octothorpe and consists of 6 hex numbers.
    • Common names for an octothorpe include number sign, hash (most common in the UK), or pound (US standard usage).

Origin

1970s: of uncertain origin; probably from octo- (referring to the eight points on the symbol) + the surname Thorpe.

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