| Holy Grail | |
| —n | |
| 1. | a. Grail, Also called: Sangraal (in medieval legend) the bowl used by Jesus at the Last Supper. It was allegedly brought to Britain by Joseph of Arimathea, where it became the quest of many knights |
| b. (in modern spirituality) a symbol of the spiritual wholeness that leads a person to union with the divine | |
| 2. | informal any desired ambition or goal: the Holy Grail of infrared astronomy |
| [C14 grail from Old French graal, from Medieval Latin gradālis bowl, of unknown origin] | |
| a chattering or flighty, light-headed person. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |