hashtag
noun /ˈhæʃtæɡ/
/ˈhæʃtæɡ/
- a word or phrase with the symbol ‘#’ in front of it, used on social media websites and apps so that you can search for all messages with the same subject
- I often use hashtags to search for trending topics.
- (British English also hash, hash sign)(North American English also pound sign)the symbol ( # ), especially one on a phone or computer keyboard