Definition of # in English:


Line breaks: #


  • 1The hash sign, used:
  • 1.1As a symbol on a phone keypad or computer keyboard.
  • 1.2Before a numeral that is a number in a series: you’re breaking Rule #1
  • 1.3To represent a pound as a unit of weight or mass.


See hash3 (usage)

More definitions of #

Definition of # in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
(in science fiction) navigation in outer space