used elsewhere, as the term pound sign is understood to mean the currency symbol £.

Hash

In the United Kingdom and Australia, it is frequently called a hash (probably from hatch, referring to cross-hatching). This is also called a or .

The term hash sign is found in South African writings from the late 1960s.

Programmers also use this term; for instance is "hash, bang" or "shebang".

Hashtag