Noun | 1. | depressor - any skeletal muscle that draws a body part down skeletal muscle, striated muscle - a muscle that is connected at either or both ends to a bone and so move parts of the skeleton; a muscle that is characterized by transverse stripes |
2. | depressor - any nerve whose activity tends to reduce the activity or tone of the body part it serves | |
3. | depressor - a device used by physician to press a part down or aside device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water" tongue depressor - a thin depressor used to press the tongue down during an examination of the mouth and throat |