trademark name (Johnson & Johnson) for a stick-on gauze pad or strip, by 1922. See band (n.1) + aid (n.). The British equivalent was Elastoplast. Figurative sense of "temporary or makeshift solution to a problem, pallative" (often lower case, sometimes bandaid) is attested by 1968; as an adjective in this sense, by 1970.
updated on April 07, 2017