I. ˈpēp intransitive verb
Etymology: Middle English pepen, of imitative origin
Date: 15th century
1. : to utter a feeble shrill sound as of a bird newly hatched : cheep
2. : to utter the slightest sound
II. noun
Date: 15th century
1. : a feeble shrill sound : cheep
2. : a slight utterance especially of complaint or protest
don't let me hear another peep out of you
3. : any of several small sandpipers
III. verb
Etymology: Middle English pepen, perhaps alteration of piken to peek
Date: 15th century
intransitive verb
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
transitive verb
1. : to put forth or cause to protrude slightly
2. slang : to have a look at : see , watch
IV. noun
Date: 1530
1. : a first glimpse or faint appearance
at the peep of dawn
2.
a. : a brief look : glance
b. : a furtive look