— retial /ree"shee euhl/ , adj.
/ree"tee/ , n. , pl. retia /ree"shee euh, -sheuh, -tee euh/ .
1. a pierced plate on an astrolabe, having projections whose points correspond to the fixed stars.
2. a network, as of fibers, nerves, or blood vessels.
[ 1350-1400; ME riet rete net ]