An opening in anything made by breaking or parting; as, a gap in a fence; an opening for a passage or entrance; an opening which implies a breach or defect; a vacant space or time; a hiatus; a mountain pass.
Miseries ensued by the opening of that gap.
It would make a great gap in your own honor.
The vertical distance between two superposed surfaces, esp. in a biplane. (Aëronautics)
Phrases & Compounds
Gap lathe
a turning lathe with a deep notch in the bed to admit of turning a short object of large diameter.
To stand in the gap
to expose one's self for the protection of something; to make defense against any assailing danger; to take the place of a fallen defender or supporter.