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 gadget; dingus; thingumbob.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
early 14c., "open to view," from O.Fr. overt (Fr. ouvert), pp. of ovrir "to open," from L. aperire "to open, uncover," from PIE *ap-wer-yo- from *ap- "off, away" + base *wer- "to cover" (see weir). Cf. L. operire "to cover," from the same root with PIE prefix *op- "over;" and