
1) Christian mythology 2) Famed chalice 3) Medieval legend 4) Object of a classic pursuit 5) Object of a quest 6) Vessel at the Last Supper
Found on
https://www.crosswordclues.com/clue/holy-grail

The Holy Grail is a dish, plate, stone, or cup that is part of an important theme of Arthurian literature. A grail, wondrous but not explicitly holy, first appears in Perceval le Gallois, an unfinished romance by Chrétien de Troyes: it is a processional salver used to serve at a feast. Chrétien`s story attracted many continuators, translators a....
Found on
http://en.wikipedia.org/wiki/Holy_Grail
[Hunters & Collectors song] `Holy Grail` is a song performed by the Australian band Hunters & Collectors on their 1992 album Cut. With lyrics referring to popular Holy Grail mythology, the song is an anthemic single inspired by Napoleon`s march to Russia in 1812, but also referencing the Hunters and Collectors` flagging attempts to `crack` ...
Found on
http://en.wikipedia.org/wiki/Holy_Grail_(Hunters_&_Collectors_song)
[web design] The Holy Grail is a multi-column web page layout. It is commonly desired and implemented, although the ways in which it can be implemented with current technologies all have drawbacks. Because of this, finding an optimal implementation has been likened to searching for the elusive Holy Grail. == The problem == Many web pages re...
Found on
http://en.wikipedia.org/wiki/Holy_Grail_(web_design)

In medieval Christian legend, the dish or cup used by Jesus at the Last Supper; credited with supernatural powers and a symbol of Christian grace. In certain stories incorporated in Arthurian...
Found on
http://www.encyclo.co.uk/local/20688

In Christian mythology, the Holy Grail (variously spelt Greal, Graal, Granal, Grasal, etc), is the holy vessel, supposed to have been of emerald, from which Jesus dispensed the wine at the last supper. It was said to have been brought to England by Joseph of Arimathea, but to have been taken back to heaven until the appearance of heroes worthy to b...
Found on
http://www.probertencyclopaedia.com/browse/DCH.HTM

In medieval Christian legend, the dish or cup used by Jesus at the Last Supper; credited with supernatural powers and a symbol of Christian grace. In certain stories incorporated in Arthurian legend, it was an object of quest by King Arthur's knights, together with the spear with which Jesus was wounded at the Crucifixion. Galahad was the o...
Found on
https://www.encyclo.co.uk/local/21221

An exploration that requires deep research, effort and often teamwork, with a commensurate high reward at the end.
Found on
https://www.versobooks.com/blogs/1715-urban-exploration-a-glossary
No exact match found.