Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you have been placed in read-only mode.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
a large block of stone that is put in position at the start of work on a public building, often with a ceremony
the basic or important principles, ideas, facts, etc. on which something depends:
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
