In medieval legends, the holy vessel supposed to have been the “cup” used at the Last Supper. See grail.(noun)
The Century Dictionary (Public Domain)
Use "sangreal" in a sentence
"They bear the veiled sun like a sangreal aloft to the wavy marble flooring of stainless cloud."
"Galahad, destined to achieve the quest of the sangreal."
"Arimathea says to him: "Thou hast resembled me in two things in that thou hast seen the marvels of the sangreal, and in that thou has been a clean maiden"."