a recognized sequence of moves at the beginning of a game of chess | a change of position that does not entail a change of location |
the act of opening something | the act of changing location from one place to another |
becoming open or being made open | the use of movements (especially of the hands) to communicate familiar or prearranged signals |
the first of a series of actions | a formal proposal for action made to a deliberative assembly for discussion and vote |
a vacant or unobstructed space that is man-made | a natural event that involves a change in the position or location of something |
an entrance equipped with a hatch; especially a passageway between decks of a ship | an optical illusion of motion produced by viewing a rapid succession of still pictures of a moving object |
an aperture or hole that opens into a bodily cavity | a state of change |
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 | |