Main Entry:

open·ing

Pronunciation:

\ˈōp-niŋ, ˈō-pə-\

Function:

noun

Date:

13th century

1 a: an act or instance of making or becoming open b: an act or instance of beginning : commencement ; especially : a formal and usually public event by which something new is put officially into operation2: something that is open: as a (1): breach, aperture (2): an open width : span b: an area without trees or with scattered usually mature trees that occurs as a break in a forest c: two pages that face one another in a book 3: something that constitutes a beginning: as a: a usually planned series of moves made at the beginning of a game of chess or checkers — compare endgame, middle game b: a first performance 4 a: occasion, chance b: an opportunity for employment