2012年6月24日 · The hash mark, or pound symbol, (#) is now known by social media users as a "hashtag" or "hash tag". Posts that have the same keywords prefixed with the # symbol are grouped together in user searches, bringing a level of …

The meaning of HASH is to chop (food, such as meat and potatoes) into small pieces. How to use hash in a sentence. to chop (food, such as meat and potatoes) into small pieces; confuse, muddle; to talk about : review —often used with over or out…