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jack in Definition

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jack in
phrasal verb(jack in)
to stop doing (something)
jack in
noun(jack in)
a toy consisting of a small box out of which a figure (as of a clown's head) springs when the lid is raised
jack in
noun(jack in)
a North American spring-flowering woodland herb (Arisaema triphyllum synonym A. atrorubens) of the arum family having an upright club-shaped spadix arched over by a green and purple spathe

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