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English definition of “pen”

pen

noun [C]     /pen/
WRITING TOOL A1 a long , thin object that you use to write or draw in ink Writing implements
AREA a small area with a fence around it that you keep animals in: a pig / sheep pen → See also ballpoint pen, felt-tip pen, fountain penAnimal Dwellings - man-madeAnimal dwellings - natural
(Definition of pen noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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