hashtag
>a word in a Twitter message with # in front of it, which indicates what the message is about. People can search for hashtags in order to find messages about a particular subject.
mentioning a user's profile by using @ tagging in blogging.
webring, an early-web decentralized mechanism to link websites with a common theme
image hashtag
define hashtag
wikipedia hashtag
weblio hashtag
kotobank hashtag
jisho hashtag