The Collaborative International Dictionary of English v.0.48:

Spermatic \Sper*mat"ic\, a. [L. spermaticus, Gr. ????: cf. F.
   spermatique. See Sperm.] (Physiol.)
   Of or pertaining to semen; as, the spermatic fluid, the
   spermatic vessels, etc.
   [1913 Webster]

   Spermatic cord (Anat.), the cord which suspends the
      testicle within the scrotum. It is made up of a connective
      tissue sheath inclosing the spermatic duct and
      accompanying vessels and nerves.
      [1913 Webster]

WordNet (r) 3.0 (2006):

spermatic
    adj 1: consisting of or resembling spermatozoa [syn: spermous,
           spermatic]