Meaning of the word "pound sign" in English

What does "pound sign" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

pound sign

US /ˈpaʊnd saɪn/
UK /ˈpaʊnd saɪn/
"pound sign" picture

Noun

1.

the symbol #, used for various purposes, such as indicating a number, a hashtag, or a telephone key

Example:
Press the pound sign to confirm your selection.
Use the pound sign to create a hashtag on social media.
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