opener

/ˈəʊpənər/ noun [C]

Definition

bottle/can/tin, etc opener › a piece of kitchen equipment used to open bottles/cans, etc

› someone or something that begins a series of events, usually in sports → See also eye-opener

(Definition of opener noun from the Cambridge Learner's Dictionary © Cambridge University Press)

to get rid of something or someone that is not wanted or needed

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