n 1  :  material or a device used to protect and immobilize a body part <an adhesive on the chest>  <a plaster for a fractured leg>  <a dental >   2  :  a bony enlargement on the upper part of the cannon bone of a horse usu. on the inside of the leg
vt 1  :  to support and immobilize (as a broken bone) with a splint  2  :  to protect against pain by reducing the motion of <the patient ed his chest by a fixed position and shallow breathing>  .
 
 
 
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