'Peekaboo' definitions:

Definition of 'peekaboo'

(from WordNet)
noun
A game played with young children; you hide your face and suddenly reveal it as you say boo! [syn: peekaboo, bopeep]

Definition of 'Peekaboo'

From: GCIDE
  • Peekaboo \Peek"a*boo\, n. A child's game; bopeep. [1913 Webster]

Synonyms of 'peekaboo'

From: Moby Thesaurus