All 50 Uses

keystone
in
The Da Vinci Code
(Auto-generated)

According to lore, the brotherhood had created a map of a stone ... or keystone—an engraved tablet that revealed the final resting place of the brotherhood's greatest secret...
Chpt 2 *

keystone = something of importance upon which other things depend
Teacher, all four confirmed the existence of the clef de voûte...the legendary keystone.†
Chpt 2
The keystone.†
Chpt 2
"When we possess the keystone," the Teacher said, "we will be only one step away."†
Chpt 2
The keystone is here in Paris.†
Chpt 2
Each had told Silas the exact same thing—that the keystone was ingeniously hidden at a precise location inside one of Paris's ancient churches—the Eglise de Saint-Sulpice.†
Chpt 2
"Silas has located the keystone," the caller said.†
Chpt 5
The heathens used a house of God to conceal their keystone.†
Chpt 10
Silas was looking forward to finding the keystone and giving it to the Teacher so they could recover what the brotherhood had long ago stolen from the faithful.†
Chpt 10
The keystone.†
Chpt 15-16
She is a woman of the cloth, and it is not her fault the brotherhood chose her church as a hiding place for their keystone.†
Chpt 19-20
The brotherhood hid the keystone at the Rose Line.†
Chpt 21-22
Earlier tonight, when Silas told the Teacher that the Priory keystone was hidden inside Saint-Sulpice, the Teacher had sounded doubtful.†
Chpt 21-22
The Priory keystone has been said to lie 'beneath the Sign of the Rose.'†
Chpt 21-22
The keystone is hidden beneath the Rose Line.†
Chpt 23-24
He had expected the keystone to be a map, or a complex series of directions, perhaps even encoded.†
Chpt 29-30
The keystone, however, bore the simplest of inscriptions.†
Chpt 29-30
Opus Dei is searching for the keystone.†
Chpt 29-30
Tell me where the keystone is.†
Chpt 31-32
Silas should have the keystone by now.†
Chpt 33-34
Not only had Silas killed the only four people who knew where the keystone was hidden, he had killed a nun inside Saint-Sulpice.†
Chpt 39-40
The keystone was a devious dead end.†
Chpt 45-46
I am holding the Priory keystone.†
Chpt 47-48
The keystone is an encoded stone that lies beneath the sign of the Rose.†
Chpt 47-48
In English we call it a keystone.†
Chpt 47-48
But this obviously is not a keystone.†
Chpt 47-48
Keystones as a masonry technique for building stone archways had been one of the best-kept secrets of the early Masonic brotherhood.†
Chpt 47-48
Keystones.†
Chpt 47-48
The secret knowledge of how to use a wedged keystone to build a vaulted archway was part of the wisdom that had made the Masons such wealthy craftsmen, and it was a secret they guarded carefully.†
Chpt 47-48
Keystones had always had a tradition of secrecy.†
Chpt 47-48
The Priory keystone—if this was indeed what they were holding—was not at all what Langdon had imagined.†
Chpt 47-48
"The Priory keystone is not my specialty," Langdon admitted.†
Chpt 47-48
Sophie, according to Priory lore, the keystone is an encoded map...a map that reveals the hiding place of the Holy Grail.†
Chpt 47-48
Even to him it sounded unbelievable, and yet the keystone was the only logical conclusion he could muster.†
Chpt 47-48
The idea that the cryptex had been designed by Leonardo da Vinci—former Grand Master of the Priory of Sion—shone as another tantalizing indicator that this was indeed the Priory keystone.†
Chpt 47-48
For the last decade, historians had been searching for the keystone in French churches.†
Chpt 47-48
Grail seekers, familiar with the Priory's history of cryptic double-talk, had concluded la clef de voûte was a literal keystone—an architectural wedge—an engraved, encrypted stone, inserted into a vaulted archway in a church.†
Chpt 47-48
And, of course, an abundance of cinquefoils—the five-petaled decorative flowers often found at the top of archways, directly over the keystone.†
Chpt 47-48
This cryptex can't be the keystone," Sophie argued.†
Chpt 47-48
"Actually," Langdon replied, feeling a tingle of excitement ripple through him, "the keystone is believed to have been created by the Priory sometime in the past couple of decades."†
Chpt 47-48
At the moment, they were focused on the keystone.†
Chpt 47-48
If that is indeed what this is.... Against the hum of the bulletproof wheels beneath them, Langdon quickly explained to Sophie everything he had heard about the keystone.†
Chpt 47-48
That's where the keystone comes in," Langdon explained.†
Chpt 47-48
Admittedly, the keystone was a similar concept.†
Chpt 47-48
"So the keystone is a preuve de mérite," Sophie said.†
Chpt 47-48
Sophie, you realize that if this is indeed the keystone, your grandfather's access to it implies he was exceptionally powerful within the Priory of Sion.†
Chpt 47-48
After all, if Langdon's instincts were correct, the Grand Master of the Priory of Sion had just transferred the brotherhood's legendary keystone to his granddaughter and simultaneously commanded her to find Robert Langdon.†
Chpt 47-48
Why would Saunière take such an enormous risk giving his granddaughter the keystone, especially when the two of them didn't get along?†
Chpt 47-48
He had to transfer the keystone to someone.†
Chpt 49-50
I'm about to hand over the Priory keystone!†
Chpt 49-50

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Grouped by 2 Meanings

Definitions:

(1) (keystone as in: keystone of our philosophy)
the most important part of something, on which everything else depends
(2) (keystone as in: keystone of the arch)
the wedge-shaped stone at the center of an arch that locks the arch in place
(3) (meaning too rare to warrant focus)

keystone in The Da Vinci Code (Auto-generated)

keystone
in
The Da Vinci Code
(Auto-generated)