to look through a small opening or from a concealed location.

to look slyly, pryingly, or furtively.

to look curiously or playfully.

to come partially into view; begin to appear

the first crocuses peeping through the snow-covered ground.

to show or protrude slightly.

a quick or furtive look or glance.

the first appearance, as of dawn.

an aperture for looking through.

noun

chatter , cheep , chirrup , chuck , churr , coo , cry , hoot , pipe , squeak , tweet , twitter , blush , glimpse , peek

verb

glance , peek