suspensor

from WordNet (r) 3.0 (2006)

suspensor
    n 1: a support for the genitals worn by men engaging in
         strenuous exercise [syn: {athletic supporter}, {supporter},
         {suspensor}, {jockstrap}, {jock}]

from The Collaborative International Dictionary of English v.0.48

Suspensor \Sus*pen"sor\, n. [NL.]
   1. A suspensory.
      [1913 Webster]

   2. (Bot.) The cord which suspends the embryo; and which is
      attached to the radicle in the young state; the proembryo.
      [1913 Webster]