ALL meanings of hashtag
hash·tag
H h - noun hashtag (on social media websites) a word or phrase preceded by a hash mark (#), used within a message to identify a keyword or topic of interest and facilitate a search for it: The hashtag #sandiegofire was used to help coordinate an emergency response to the fire. 1
- noun hashtag a hash mark used in this way. 1
- noun hashtag (on social media sites such as Twitter) a word or phrase preceded by a hash or pound sign (#) and used to identify messages on a specific topic. 1
- countable noun hashtag On the Twitter website, a hashtag is a word or phrase that has a hash (#) in front of it, to show that it is the topic of a message. 0
- noun hashtag (on the Twitter website) a word or phrase preceded by a hash mark, used to denote the topic of a post 0