Pronunciation: (rē'tē), [key]
—pl. re•ti•aPronunciation: (rē'shē-u, -shu, -tē-u). [key]
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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.