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Definition of: gap
(gap) noun
1. An opening or parting in anything; aperture; breach; chasm.
2. Geog. A deep notch or ravine in a mountain ridge.
3. A break in continuity; an interruption; a period in chronology or a range of phenomena about which nothing is known.
4. Aeron. The vertical distance between two supporting planes of an airplane. See synonyms under BREACH, HOLE.
—v.t. gapped, gap·ping To make a breach or opening in. [<ON gap gap, abyss <gapa gape]
—gap′less adjective
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