definition of
gap

[1] #1 gap n. [spread] a conspicuous disparity or difference as between two figures; "gap between income and outgo"; "the spread between lending and borrowing costs". wn

[2] #2 gap n. [opening] 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". wn

[3] #3 gap n. [crack] a narrow opening; "he opened the window a crack". wn

[4] #4 gap v. [breach] make an opening or gap in. wn

[5] #5 gap n. [col] a pass between mountain peaks. wn