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.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
a fool or simpleton; ninny.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
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.