We found one dictionary that defines the word fill a gap:

General (1 matching dictionary)

1. fill a gap: Collins English Dictionary

Phrases: to fill a gap, something to fill in a gap, more... ▸ Words similar to fill a gap ▸ Usage examples for fill a gap ▸ Idioms related to fill a gap ▸ Wikipedia articles (New!) ▸ Words that often appear near fill a gap ▸ Rhymes of fill a gap ▸ Invented words related to fill a gap