n. 1 words or expressions used by a particular group or profession (medical jargon). 2 debased or pretentious language. [French] jasmine pclymzmini n. ornamental shrub with white or yellow flowers. [French from Arabic from Persian] jasper i’d3mspa(r)/ n. opaque quartz, usu. red, yellow, or brown. [French from Latin from Greek iaspis]