[peep] vi [ME pepen, of imit. origin] (15c) 1: to utter a feeble shrill sound as of a bird newly hatched: cheep
2: to utter the slightest sound
[2]peep n (15c) 1: a feeble shrill sound: cheep
2: a slight utterance esp. of complaint or protest "don't let me hear another ~ out of you"
3: any of several small sandpipers [3]peep vb [ME pepen, perh. alter. of piken to peek] vi (15c) 1 a: to peer through or as if through a crevice b: to look cautiously or slyly
2: to begin to emerge from or as if from concealment: show slightly ~ vt: to put forth or cause to protrude slightly [4]peep n (1530) 1: a first glimpse or faint appearance "at the ~ of dawn"
2. a: a brief look: glance b: a furtive look