We found 5 dictionaries that define the word on the mark:

General (4 matching dictionaries)

1. on the mark: Oxford Learner's Dictionaries
2. on the mark: Wiktionary

Miscellaneous (1 matching dictionary)

3. on the mark: Idioms

▸ Words similar to on the mark ▸ Usage examples for on the mark ▸ Idioms related to on the mark ▸ Wikipedia articles (New!) ▸ Words that often appear near on the mark ▸ Rhymes of on the mark ▸ Invented words related to on the mark