Definitions from Wiktionary (hash mark)

▸ noun:  The hash or pound sign (#).
▸ noun:  (American football) An inbounds line.
▸ noun:  (ice hockey) One of the parallel lines on either side of the face-off circles.
▸ noun:  A service stripe, as on an enlistee’s uniform sleeve.
▸ Also see hash_mark


▸ Words similar to hash marks
▸ Usage examples for hash marks

▸ Idioms related to hash marks
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▸ Words that often appear near hash marks
▸ Rhymes of hash marks

▸ Invented words related to hash marks