Separation between two parts of a whole. Opening means hole, hollow, crack, crack, cleft, hole slot. Not to be confused with opening (p) which means beginning, start, opening.
(opening - refers to al1) space in which is interrupted the continuity of a body or a surface-2) separation between the different parts that make up one thing
Opening: Openness, smoothness in the treatment and conversation. -(Openings: Plural of opening).