grail

UK: 'Grail', 'grail': /ˈɡreɪl/ US: (grāl)

WordReference Random House Unabridged Dictionary of American English © 2026

grail  (grāl), n. 

1. Religion (usually cap.) Also called Holy Grail. a cup or chalice that in medieval legend was associated with unusual powers, esp. the regeneration of life and, later, Christian purity, and was much sought after by medieval knights: identified with the cup used at the Last Supper and given to Joseph of Arimathea.
2. Informal Terms, Religion (sometimes cap.) any greatly desired and sought-after objective;
   ultimate ideal or reward.

• Medieval Latin gradālis platter, of uncertain origin, originally
• Anglo-French grahel, grayel, Old French gräel, grel
• Middle English graiel, graile, etc. 1300–50

Collins Concise English Dictionary © HarperCollins Publishers::

Grail / ɡreɪl/ noun

1. See Holy Grail