Depressor

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Depressor \De*press"or\, n.
     1. One who, or that which, presses down; an oppressor.
        [1913 Webster]
  
     2. (Anat.) A muscle that depresses or tends to draw down a
        part.


        [1913 Webster]
  
     {Depressor nerve} (Physiol.), a nerve which lowers the
        activity of an organ; as, the depressor nerve of the
        heart.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  depressor
       n 1: any skeletal muscle that draws a part down [syn: {depressor
            muscle}]
       2: any nerve whose activity tends to reduce the activity or
          tone of the body part it serves [syn: {depressor nerve}]
       3: a device used by physician to press a part down or aside