Definition of "peek"

peek¹

/piːk/

verb
third-person singular simple present peeks, present participle peeking, simple past and past participle peeked
1. (informal) To look slyly, or with the eyes half closed, or through a crevice; to peep.
2. (informal) To be only slightly, partially visible, as if peering out from a hiding place.
  Quotations
  A pale strip of white skin peeked out from under his waistband.
  2012, Rachel Kramer Bussel, Going Down: Oral Sex Stories
  Her brown skin peeked through the empty gap in her clothing.
  2012, Michelle Monkou, If I Had You
3. (computing, transitive, dated) To retrieve (a value) from a memory address.
  Quotations
  We are peeking the value from the first index's memory location.
  2006, Gary Willoughby, PureBasic: A Beginner's Guide to Computer Programming, page 279
noun
plural peeks
1. A quick glance or look.

peek²

/piːk/

noun
1. Misspelling of pique.