The Collaborative International Dictionary of English v.0.48:

Suspensory \Sus*pen"so*ry\, a.
   1. Suspended; hanging; depending.
      [1913 Webster]

   2. Fitted or serving to suspend; suspending; as, a suspensory
      muscle. --Ray.
      [1913 Webster]

   3. (Anat.) Of or pertaining to a suspensorium.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Suspensory \Sus*pen"so*ry\, n. [Cf. F. suspensoir, suspensoire.]
   That which suspends, or holds up, as a truss; specifically
   (Med.), a bandage or bag for supporting the scrotum.
   [1913 Webster]

WordNet (r) 3.0 (2006):

suspensory
    n 1: a bandage of elastic fabric applied to uplift a dependant
         part (as the scrotum or a pendulous breast) [syn:
         suspensory, suspensory bandage]