The Collaborative International Dictionary of English v.0.48:

Reticule \Ret"i*cule\, n.. [F. r['e]ticule, L. reticulum, dim.
   of rete a net. Cf.Retina, Reticle.]
   1. A little bag, originally of network; a woman's workbag, or
      a little bag to be carried in the hand. --De Quincey.
      [1913 Webster]

   2. A system of wires or lines in the focus of a telescope or
      other instrument; a reticle.
      [1913 Webster]

WordNet (r) 3.0 (2006):

reticule
    n 1: a woman's drawstring handbag; usually made of net or
         beading or brocade; used in 18th and 19th centuries
    2: a network of fine lines, dots, cross hairs, or wires in the
       focal plane of the eyepiece of an optical instrument [syn:
       reticle, reticule, graticule]