1. [verb] To look slyly, or with the eyes half closed, or through a crevice; to peep.
2. [verb] To be only slightly, partially visible, as if peering out from a hiding place.
3. [verb] (computing) (transitive) To retrieve (a value) from a memory address.
4. [verb] Misspelling of pique.
5. [noun] A secret look.
6. [verb] Throw a glance at; take a brief look at; 'She only glanced at the paper'; 'I only peeked--I didn't see anything interesting'.