a recognized sequence of moves at the beginning of a game of chess | (baseball) a hit that flies up in the air |
the act of opening something | two-winged insects characterized by active flight |
becoming open or being made open | an opening in a garment that is closed by a zipper or by buttons concealed under a fold of cloth |
the first of a series of actions | flap consisting of a piece of canvas that can be drawn back to provide entrance to a tent |
a vacant or unobstructed space that is man-made | fisherman's lure consisting of a fishhook decorated to look like an insect |
an entrance equipped with a hatch; especially a passageway between decks of a ship | |
an aperture or hole that opens into a bodily cavity | |
a possible alternative | |
the initial part of the introduction | |
the first performance (as of a theatrical production) | |
a ceremony accompanying the start of some enterprise | |
an open or empty space in or between things | |
opportunity especially for employment or promotion | |