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period

noun [C] (BLOOD)
 
 
/ˈpɪə.ri.əd/ US  /ˈpɪr.i-/

Definition

the bleeding from a woman's womb that happens once a month when she is not pregnant: period pains She'd missed a period and was worried.Processes and stages connected with sexual reproduction
(Definition of period noun (BLOOD) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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