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Octothorpe: meaning, pronunciation and examples

Octothorpe noun. The # symbol, also called the hash or pound sign.

How to say it

OK-tuh-thorp/ˈɒktəθɔːp/

3 syllables, stressed on the first (OK).

Octothorpe in a sentence

Press the octothorpe key when you've finished entering your number.

Before hashtags, hardly anyone knew the octothorpe had a proper name.

Similar and opposite

Similar:

  • hash
  • hash sign
  • pound sign

Where octothorpe comes from

Coined at Bell Labs in the early 1960s from octo-, eight, for its eight points; where the -thorpe came from is disputed.

Test yourself

Which word fills the gap?

Before hashtags, hardly anyone knew the _____ had a proper name.

  • muntin
  • octothorpe
  • lemniscate
Show the answer

octothorpe: Before hashtags, hardly anyone knew the octothorpe had a proper name.