a measure of the drop in response of a radio receiving set or the like to a given frequency differing from the resonant frequency of the device, expressed as the ratio of the amplitude of the response at the resonant frequency to the amplitude of the response at the given frequency.
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 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.