To seal off.
To terminate; to call the end of.
To terminate a computer program.
To make trades offsetting an existing position, leaving the trader with a neutral position.
Of a wave, to break all at once, instead of progressively along its length.
To exclude by blocking all opportunities to enter or join.
Synonym of close (“to make a sale”)
To inadvertently prevent (a person, particularly oneself) from entering a place, by leaving it locked.
To prevent from accessing a data structure.
An event in which an employer bars employees from working as a tactic in negotiating terms of employment, particularly in response to a strike or threat to strike.