D defs.my
Entry 5 senses Webster, 1913

Opening

· O·pen·ing · IPA /ˈoʊ.pə.nɪŋ/
01 n. The act or process of opening; a beginning; commencement; first appearance; as, the opening of a speech.
  1. 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. 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. 3.
    An opportunity; as, an opening for business.[Colloq.]
  4. 4.
    A vacant place; a job which does not have a current occupant; as, they are now interviewing candidates for the two openings in the department.
  5. 5.
    A thinly wooded space, without undergrowth, in the midst of a forest; a clearing; as, oak openings.[U.S.]