an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a scrap or morsel of food left at a meal.
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.
1854, from L. neut. of aquarius, gen. of aqua "water" (see aqua-). The word existed in L., but meant "drinking place for cattle." An earlier attempt at a name for "fish tank" was marine vivarium.