1. The act or process of opening; a beginning; commencement; first appearance; as, the opening of a speech. The opening of your glory was like that of light. (Dryden)
2. A place which is open; a breach; an aperture; a gap; cleft, or hole. We saw him at the opening of his tent. (Shak)
3. Hence: A vacant place; an opportunity; as, an opening for business.
4. A thinly wooded space, without undergrowth, in the midst of a forest; as, oak openings.