a space between two things or in the middle of something, especially because there is a part missing

There should be a six-inch gap at the bottom.

Leave a gap between your car and the next.

I managed to squeeze through the gap.

a period of time when something stops, or between two events

He wrote his first novel in the gap between school and university.

They met again after a gap of twenty years.

There’s a big age gap between them .

a difference that separates people, or their opinions, situation, etc.

A huge gap has opened up between expectations and what is deliverable.

The only way to close this gap is to innovate.

the gap between theory and practice

to bridge the gap between urban and rural communities

LEARNit Dictionary