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.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a fool or simpleton; ninny.
an extraordinary or unusual thing, person, or event; an exceptional example or instance.
mid-15c., from Fr. médiocrité, from L. mediocritatem (nom. mediocritas) "a middling condition," from mediocris (see mediocre). Neutral at first; disparaging sense began to predominate from late 16c. The noun meaning "person of mediocre abilities or attainments"
is from 1690s. Before the tinge of disparagement crept in, another name for the Golden Mean was golden mediocrity.