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 set of numbers and letters that you must type into a computer system to prove that you have official permission to use software or equipment, change a website, etc.:
Share your knowledge with the community
Browse our collection of 300,000+ community-written definitions
