Home » Segments » Hash Marks

Hash Marks

Play episode

Kathleen from Hebron, Connecticut, is curious about the term hashtag. She associates it with the #, which she calls a pound sign. When that symbol, also known as a hash mark, doublecross, hatch mark, octothorpe, or sign, is appended to a keyword, the whole thing is known as a hashtag. It’s used on Twitter, among other places, to help label a on a particular topic. This is part of a complete episode.

Leave a comment

This site uses Akismet to reduce spam. Learn how your comment data is processed.

1 comment
  • The hash mark has a number of names. One of the oddest is the “octothorpe”, also spelled octothorp, octathorp,and octatherp. In the 1960s and 70s when AT&T was preparing to introduce touch tone dialing, Bell Labs decided they needed two additional buttons to perform certain newly introduced functions. According to one story, one of their engineers noticed the sign as an eight-pointed figure, and added the suffix “thorpe” to pay homage to Olympian Jim Thorpe.

    Al Zagofsky
    Jim Thorpe, Pennsylvania

More from this show

Yellowsail - Be There or Be Square

Be There or Be Square

John in Omaha, Nebraska, wonders about a phrase that encourages someone to attend an event or risk being left out or feeling uncool: be there or be square. Don’t fall for the fake etymology about people wearing boxes on their heads! Ditto for...

Recent posts

Segments