The Collaborative International Dictionary of English v.0.48:

Rete \Re"te\, n. [L., a net.] (Anat.)
   A net or network; a plexus; particularly, a network of blood
   vessels or nerves, or a part resembling a network.
   [1913 Webster]

WordNet (r) 3.0 (2006):

rete
    n 1: a network of intersecting blood vessels or intersecting
         nerves or intersecting lymph vessels [syn: plexus,
         rete]

The Free On-line Dictionary of Computing (30 December 2018):

rete

    /Re'te/ (From Latin "net") A net or
   network; a plexus; particularly, a network of blood vessels or
   nerves, or a part resembling a network.

   [How is it used in AI?  What is a "rete procedure "?]

   (2002-03-14)