nouns
an open or empty space in or between things
"there was a small opening between the trees"; "the explosion made a gap in the wall"
a ceremony accompanying the start of some enterprise
is a type of (narrower)
a formal event performed on a special occasion
"a ceremony commemorating Pearl Harbor"
becoming open or being made open
"the opening of his arms was the sign I was waiting for"
is a type of (narrower)
the act of changing the unity or wholeness of something
the first performance (as of a theatrical production)
"the opening received good critical reviews"
the act of opening something
"the ray of light revealed his cautious opening of the door"
is a type of (narrower)
a change of position that does not entail a change of location
"the reflex motion of his eyebrows revealed his surprise"; "movement is a sign of life"; "an impatient move of his hand"; "gastrointestinal motility"
opportunity especially for employment or promotion
"there is an opening in the sales department"
is a type of (narrower)
a possibility due to a favorable combination of circumstances
"the holiday gave us the opportunity to visit Washington"; "now is your chance"
the initial part of the introduction
"the opening established the basic theme"
is a type of (narrower)
the first section of a communication
a possible alternative
"bankruptcy is always a possibility"
an aperture or hole that opens into a bodily cavity
"the orifice into the aorta from the lower left chamber of the heart"
a vacant or unobstructed space that is man-made
"they left a small opening for the cat at the bottom of the door"
is a type of (narrower)
a man-made object taken as a whole
an entrance equipped with a hatch; especially a passageway between decks of a ship
a recognized sequence of moves at the beginning of a game of chess
"he memorized all the important chess openings"
the first of a series of actions