noun an open or empty space in or between things
Synonymsgap
noun the first performance (as of a theatrical production)
noun the act of opening something
Oppositesclosing
noun a possible alternative
noun an entrance equipped with a hatch; especially a passageway between decks of a ship
noun a recognized sequence of moves at the beginning of a game of chess
Synonymschess opening
noun the first of a series of actions
Source: WordNet 3.1, Princeton University
