Source : Webster's Revised Unabridged Dictionary (1913)

Reticulum \Re*tic"u*lum\, n.;pl. {Reticula}. [L. dim. of rete a
   net.] (Anat.)
   (a) The second stomach of ruminants, in which folds of the
       mucous membrane form hexagonal cells; -- also called the
       {honeycomb stomach}.
   (b) The neuroglia.

Source : WordNet®

Reticulum
     n 1: a small constellation in the southern hemisphere near Dorado
          and Hydrus
     2: any fine network (especially one in the body composed of
        cells or blood vessels)
     3: the second compartment of the stomach of a ruminant [syn: {second
        stomach}]