aspirin: the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets
analgesic: a medicine used to relieve pain
bearded iris: any of numerous wild or cultivated irises with hairlike structures on the falls (the drooping sepals)