|n.||1.||A book of offices in the Roman Catholic Church; a gradual.|
|1.||A broad, open dish; a chalice; - only used of the |
|1.||Small particles of earth; gravel.|
|1.||One of the small feathers of a hawk.|
|Noun||1.||grail - (legend) chalice used by Christ at the last supper|
|GRAIL - Graphical Input Language.|
A flow chart language entered on a graphics tablet. The graphical follow-on to JOSS.
["The GRAIL Language and Operations", T.O. Ellis et al, RM-6001-ARPA, RAND, Sept 1969].