/peek/ , v.i.
1. to look or glance quickly or furtively, esp. through a small opening or from a concealed location; peep; peer.
n.
2. a quick or furtive look or glance; peep.
[ 1325-75; ME piken (v.); perh. dissimilated var. of kiken to KEEK ]
Syn. 1. See peep 1 .