.... (Mus.) Pertaining to, made by, or prepared for, an instrument, esp. a musical instrument; as, _____ music, distinguished from vocal music. "He defended the use of _____ music in public worship." Macaulay. Sweet voices mix'd with _____ sounds. Dryden. 3. (Gram.) Applied to a case expressing means or agency; as, the _____ case. This is found in Sanskrit as a separate case, ...