Octothorn vs. Octothorpe

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Difference Between Octothorn and Octothorpe
Octothornnoun
(rare) nodot=1, the symbol #.
Octothorpenoun
The hash or square symbol (#), used mainly in telephony and computing.
Octothorpenoun
on a push-button telephone. Rumor at the telephone company is that a man named Charles B. Octothorp, wanting to make his name famous...
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