an extraordinary or unusual thing, person, or event; an exceptional example or instance.
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.
late 14c., from O.Fr. eternité, from L. aeternitatem (nom. aeternitas), from aeternus (see eternal). In the Mercian hymns, L. aeternum is glossed by O.E. ecnisse.