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 stew of meat, vegetables, potatoes, etc.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
c.1840, as a term in logic, from M.L. quantificare, from L. quantus "how much" + facere "to make" (see factitious). Lit. sense of "determine the quantity of, measure" is from 1878.