copulatory

from WordNet (r) 3.0 (2006)

copulatory
    adj 1: of or relating to coitus or copulation [syn: {coital},
           {copulatory}]

from The Collaborative International Dictionary of English v.0.48

Copulatory \Cop"u*la*to*ry\ (k[o^]p"[-u]*l[.a]*t[-o]*r[y^]), a.
   1. Pertaining to copulation; tending or serving to unite;
      copulative.
      [1913 Webster]

   2. (Zool.) Used in sexual union; as, the copulatory organs of
      insects.
      [1913 Webster]