Answer:
(in medieval legend) the cup or platter used by Jesus at the Last Supper, and in which Joseph of Arimathea received Christ's blood at the Cross. Quests for it undertaken by medieval knights are described in versions of the Arthurian legends written from the early 13th century onward.
2.
a thing that is being earnestly pursued or sought after.
"profit has become the holy grail"
Origin
from Old French graal, from medieval Latin gradalis ‘dish’.
Explanation:
THERE
