Definition of number sign in English:

number sign

Line breaks: num¦ber sign

noun

North American
  • the sign #, used to introduce a number (as in question #2).
    More example sentences
    • These are used in the same way, but rather than using a dot before the name, you use a number sign.
    • To do stem searching, use a number sign after the word.
    • These are marked with a number sign.

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