The Collaborative International Dictionary of English v.0.48:

Retiary \Re"ti*a*ry\, n. [See Retiarius.]
   1. (Zool.) Any spider which spins webs to catch its prey.
      [1913 Webster]

   2. A retiarius.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Retiary \Re`ti*a*ry\, a. [Cf. LL. retiarius.]
   1. Netlike.
      [1913 Webster]

            This work is in retiary, or hanging textures. --Sir
                                                  T. Browne.
      [1913 Webster]

   2. Constructing or using a web, or net, to catch prey; --
      said of certain spiders.
      [1913 Webster]

   3. Armed with a net; hence, skillful to entangle.
      [1913 Webster]

            Scholastic retiary versatility of logic.
                                                  --Coleridge.
      [1913 Webster]