grail
grayl
- n the object of any prolonged endeavor
- n (legend) chalice used by Christ at the Last Supper
- The blue LED was the last step in the creation of lighting's holy grail, the brilliant white LED--an ultra-efficient successor to Thomas Edison's incandescent lightbulb, circa 1879.
- The holy grail of online music is what's known as a "celestial jukebox": an archive of every album in the world, there just for the listening.
- And it has achieved the holy grail by becoming a verb that defines a category, a la Xerox in the 1970s and FedEx in the '90s.