n. 25B6; noun
an opening in the centre of the roof : HOLE, gap, aperture, orifice, vent, crack, slit, chink; spyhole, peephole; Anatomy foramen.
the opening in the wall : DOORWAY, gateway, entrance, (means of) entry, way in/out, exit.
United created openings but were unable to score : OPPORTUNITY, chance, window (of opportunity), possibility.
an opening with a stockbroker : VACANCY, position, job.
the opening of the session : BEGINNING, start, commencement, outset; introduction, prefatory remarks, opening statement; informal kick-off; formal proem.
a gallery opening : OPENING CEREMONY, official opening, launch, inauguration; opening/first night, premiere.