noun

• The process by which an object, person, place or idea may be copied mimicked or reproduced.
• Copy; reproduction.
• (law) A response from the plaintiff to the defendant's plea.
• (biology) The process of producing replicas of DNA or RNA molecules.
• (computing) The process of frequent electronic data copying a one database in one computer or server to a database in another so that all users share the same level of information. Used to improve fault tolerance of the system.