Synonyms: cranny
Definition: a small opening or crevice (especially in a rock face or wall)
Similar words: hole
Definition: an opening into or through something
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