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 children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
1887, "pilot," from Fr. aviateur, from L. avis (see aviary) + -ateur. Also used c.1891 in a sense of "aircraft." Fem. form aviatrix is from 1927; earlier aviatrice (1910), aviatress (1911).