I. ˈpē-kə-ˌbü noun
Etymology: peek (I) + boo (I)
Date: 1599
: a game for amusing a baby by repeatedly hiding one's face or body and popping back into view exclaiming “Peekaboo!”
II. adjective
Date: 1895
1. : trimmed with eyelet embroidery
a peekaboo blouse
2. : made of a sheer or transparent fabric ; also : revealing usually small areas of skin
3. : offering only limited display or disclosure especially of a teasing sort
peekaboo publicity