an extraordinary or unusual thing, person, or event; an exceptional example or instance.
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 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.
1588, possibly a dial. survival from O.N. gustr "a cold blast of wind," or O.H.G. gussa "flood," both from P.Gmc. *gustiz, from PIE *gheus-, from root *gheu- "to pour." Probably originally in Eng. as a nautical term.