a simple game played to entertain young children, in which you keep hiding your face and then showing it again, saying ‘Peekaboo!’ or ‘Peep-bo!’ 藏猫猫（把脸隐藏而后闪现以逗幼儿的游戏）；（做这种游戏时发的声音）猫儿 Word Originlate 16th cent.: from peek + boo.