The Collaborative International Dictionary of English v.0.48:

Reticular \Re*tic"u*lar\, a. [Cf. F. r['e]ticulaire. See
   Reticule.]
   1. Having the form of a net, or of network; formed with
      interstices; retiform; as, reticular cartilage; a
      reticular leaf.
      [1913 Webster]

   2. (Anat.) Of or pertaining to a reticulum.
      [1913 Webster]

WordNet (r) 3.0 (2006):

reticular
    adj 1: resembling or forming a network; "the reticulate veins of
           a leaf"; "a reticulated highway system" [syn:
           reticulate, reticular] [ant: nonreticulate]

Moby Thesaurus II by Grady Ward, 1.0:

22 Moby Thesaurus words for "reticular":
   barred, cancellated, crossbarred, filigreed, grated, gridded,
   laced, lacelike, lacy, latticelike, meshed, meshy, mullioned,
   netlike, netted, netty, plexiform, reticulate, reticulated,
   retiform, streaked, striped