a colorless, crystalline, water-soluble glucoside, C 13 H 18 O 7 , obtained from the bark of the American aspen: used in medicine chiefly as an antipyretic and analgesic.
Also called sal·i·cyl al·cohol glu·coside /ˈsæləsɪl/Show Spelled[sal-uh-sil]Show IPA.