grail

plural grails

1. The Holy Grail.

   The quest for the Grail is not archeology. It's a race against evil. If it is captured by the Nazis, the armies of darkness will march all over the face of the earth. Do you understand me?

   1989, 1:06:54 from the start, in Indiana Jones and the Last Crusade^(https://archive.org/details/movie-hollywood-720p-sub-indonesia_202209/Indiana+Jones+and+the+Last+Crusade+(1989)+BR/Indiana+Jones+and+the+Last+Crusade.mp4) (Action-Adventure), spoken by Henry Jones, Sr. (Sean Connery), →OCLC

2. Something eagerly sought or quested for.

   Becoming an astronaut was his grail.

   1 more example

   How many of them had found the item they dreamt of, their personal grails?

   2002, Zadie Smith, The Autograph Man, Penguin Books (2003), page 214

plural grails

1. A book of offices in the Roman Catholic Church; a gradual.

   antiphonals, missals, grails, processionals, etc.

   1694, John Strype, the Memorials of Thomas Cranmer

1. poeticuncountableSmall particles of earth; gravel.

   Hereof this gentle knight vnweeting was, / And lying downe vpon the sandie graile, / Drunke of the streame, as cleare as cristall glas [...].

   1590, Edmund Spenser, “Book I, Canto VII”, in The Faerie Queene. […], London: […] [John Wolfe] for William Ponsonbie, →OCLC

plural grails

1. One of the small feathers of a hawk.

1. abbreviationinitialismspace; US space program; space; US space programInitialism of Gravity Recovery and Interior Laboratory.