Synonyms: crack, crevice, scissure, cleft, fissure
Definition: a long narrow opening
Definition: an open or empty space in or between things
Usage: there was a small opening between the trees; the explosion made a gap in the wall
Synonyms: fissure, crack, cranny, crevice, chap
Definition: a long narrow depression in a surface
Similar words: depression, impression, imprint
Definition: a concavity in a surface produced by pressing
Usage: he left the impression of his fingers in the soft mud