an extraordinary or unusual thing, person, or event; an exceptional example or instance.
a gadget; dingus; thingumbob.
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.
"rock consisting of fine grains of carbonate of lime," 1785, from Mod.L. oolites, from oo-, comb. form of Gk. oon "egg" (cognate with O.E. æg, see egg) + lithos "stone." So called because the rock resembles the roe of fish.