a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.
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.
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
c.1600, "a bargainer," from condition. Meaning "an agent that brings something into good condition" is from 1888; since c.1960 usually in ref. to hair care products. For about 20 years before that, it often was short for air conditioner.