A look, a glance, especially a quick or furtive one.
Early 19th century. From teet.
1To be just visible, especially from behind something; to protrude a short distance into view; to peer out.
2To look furtively at something, e.g. out of a window or through a narrow opening; to look quickly or steal a glance at something; to peek, peep, peer. Compare "peep", teet .
Early 16th century (in an earlier sense). Origin uncertain.