a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
the offspring of a zebra and a donkey.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
O.E. oferseon "to look down upon, keep watch over," from ofer "over" + seon "to see" (see see). Meaning "to supervise" is attested from mid-15c. The verb lacks the double sense of similar overlook (q.v.), but this emerges in the noun form oversight.