an extraordinary or unusual thing, person, or event; an exceptional example or instance.
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a gadget; dingus; thingumbob.
a chattering or flighty, light-headed person.
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.
early 15c., from L. deducere "lead down, derive" (in M.L. "infer logically"), from de- "down" + ducere "to lead" (see duke). Originally literal, sense of "draw a conclusion from something already known" is first recorded 1520s, from M.L.