n.
Function: 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