n. 25B6; noun
a gap in the shutters : OPENING, aperture, space, breach, chink, slit, slot, vent, crack, crevice, cranny, cavity, hole, orifice, interstice, perforation, break, fracture, rift, rent, fissure, cleft, divide.
a gap between meetings : PAUSE, intermission, interval, interlude, break, breathing space, breather, respite, hiatus; N. Amer. recess.
a gap in our records : OMISSION, blank, lacuna, void, vacuity.
the gap between rich and poor : CHASM, gulf, rift, split, separation, breach; contrast, difference, disparity, divergence, imbalance.