p.pr. & ·vb.n. of open.
2. opening ·noun hence: a vacant place; an opportunity; as, an opening for business.
3. opening ·noun a place which is open; a breach; an aperture; a gap; cleft, or hole.
4. opening ·noun a thinly wooded space, without undergrowth, in the midst of a forest; as, oak openings.
5. opening ·noun the act or process of opening; a beginning; commencement; first appearance; as, the opening of a speech.