"gap" in the noun sense
1. gap, spread
a conspicuous disparity or difference as between two figures
"gap between income and outgo"
"the spread between lending and borrowing costs"
2. opening, gap
an open or empty space in or between things
"there was a small opening between the trees"
"the explosion made a gap in the wall"
3. gap, crack
a narrow opening
"he opened the window a crack"
4. col, gap
a pass between mountain peaks
a difference (especially an unfortunate difference) between two opinions or two views or two situations
6. break, interruption, disruption, gap
an act of delaying or interrupting the continuity
"it was presented without commercial breaks"
"there was a gap in his account"
"gap" in the verb sense
1. gap, breach
make an opening or gap in
Source: WordNet® (An amazing lexical database of English)
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