cheie de boltă keystone

Creator:	Peter Shortall
Language pair:	Romanian to English
Discipline:	-
Definition / notes:	Ultimul bolţar, marcând punctul cel mai înalt, "vârful" unui sistem de boltire, cu care aceasta se încheie. http://www.monument.md/glosar/c/ A keystone is the architectural piece at the crown of a vault or arch which marks its apex, locking the other pieces into position. http://en.wikipedia.org/wiki/Keystone_(architecture)
URL:	-