Hashtag

Pronunciation

• US IPA: /ˈhæʃˌtæɡ/

Origin

From hash + tag.

Full definition of hashtag

Noun

1. (Internet) A tag embedded in a message, consisting of a word within the message prefixed with a hash sign (#).
• 2007 Aug 25, Stowe Boyd, tweet, https://twitter.com/stoweboyd/status/226570552I support the hash tag convention: http://tiny url.com/2qttlb #hashtag #factoryjoe #twitter
• 2009, Paul McFedries, Pete Cashmore, Twitter Tips, Tricks, and TweetsYou can also search for a hashtag by typing a topic (without the #) in the search box and clicking Search.
• 2009, Alistair Croll, Sean Power, Complete Web MonitoringWhile hashtags aren't formally part of Twitter, some clients, such as Tweetdeck, will persist hashtags across replies to create a sort of message threading.
• 2011, Rory Stewart, "Here we go again", London Review of Books, 33.VII:The planes are moving into position. The foreign ministers of minor Arab states are taking calls on their cell-phones from Western politicians. Twitter accounts explode around the Libyan hash-tag.

Coordinate terms

• bashtag

Verb

1. (transitive, Internet) To label (a message) with a hashtag.----