a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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.
1781, in ref. to words or phrases distinct from British use, coined by John Witherspoon (17231794), president of Princeton College, from adj. form of America (q.v.) + -ism. (American English "English language as spoken in the United States" is
first recorded 1806, in Webster.) Americanism in the patriotic sense "attachment to the U.S." is attested from 1797, first found in the writings of Thomas Jefferson