We found 4 dictionaries that define the word hashmarks:

General (3 matching dictionaries)

1. hashmarks: Vocabulary.com
2. hashmarks: Wordnik
3. hashmarks: Wiktionary

Sports (1 matching dictionary)

4. Hashmarks: Sports Definitions

(Note: See hashmark as well.)

Definitions from Wiktionary (Hashmark) ▸ noun:  Alternative form of hash mark [The hash or pound sign (#).] ▸ Also see hashmark ▸ Words similar to hashmarks ▸ Usage examples for hashmarks ▸ Idioms related to hashmarks ▸ Wikipedia articles (New!) ▸ Popular adjectives describing hashmarks ▸ Words that often appear near hashmarks ▸ Rhymes of hashmarks ▸ Invented words related to hashmarks