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English definition of “peekaboo”

peekaboo

noun [U] uk   /ˌpiːk.əˈbuː/ ( UK also peep-bo,   /ˌpiːpˈbəʊ/    /-ˈboʊ/) us  
a game played with very young children in which you hide your face, especially with your hands, and then suddenly take your hands away saying "peekaboo"
(Definition of peekaboo from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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