The Collaborative International Dictionary of English v.0.48:

Funiculus \Fu*nic"u*lus\, n.; pl. Funiculi. [L., a little
   cord. See Funicle.]
   1. (Anat.) A cord, baud, or bundle of fibers; esp., one of
      the small bundles of fibers, of which large nerves are
      made up; applied also to different bands of white matter
      in the brain and spinal cord.
      [1913 Webster]

   2. (Zool.)
      (a) A short cord which connects the embryo of some
          myriapods with the amnion.
      (b) In Bryozoa, an organ extending back from the stomach.
          See Bryozoa, and Phylactolema.
          [1913 Webster]

WordNet (r) 3.0 (2006):

funiculus
    n 1: the stalk of a plant ovule or seed [syn: funicle,
         funiculus]
    2: any of several body structure resembling a cord