Peekaboo is a game you play with babies in which you cover your face with your hands or hide behind something and then suddenly show your face, saying 'peekaboo!'
peekaboo in British English
(ˈpiːkəˌbuː)
noun
1.
a game for young children, in which one person hides his or her face and suddenly reveals it and cries "peekaboo".
adjective
2.
(of a garment) made of fabric that is almost transparent or patterned with small holes
Word origin
C16: from peek + boo
peekaboo in American English
(ˈpikəˌbu)
noun
1.
a game to amuse a young child, in which someone hides his or her face, as behind the hands, and thensuddenly reveals it, calling “Peekaboo!”
adjective US
2.
made of openwork or sheer fabric: said as of a blouse
interjection
3.
used as an exclamation in the child's game or to gain attention or startle
Examples of 'peekaboo' in a sentence
peekaboo
Cassandra dimpled at him and played peekaboo over her spectacles.
West, Charles STAGE FRIGHT (2002)
Then he noticed Roshan had covered his eyes and was playing peekaboo.