Definition of "quadruplicate" []

• Multiplied by four; quadruple. (adjective)
• Fourth in a group of four identical things. (adjective)
• One of a group of four identical things. (noun)
• To multiply or be multiplied four times. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "In time he returns, and fills out a FIM, a ticket-sized little form that comes in quadruplicate, in a laborious manner that suggests he has never seen one before and is a bit suspicious about the use of ink-based writing implements."
• "Zachary Nixion Johnson has problems in quadruplicate, in the form of four super powered sisters."
• "We didn't send out forms in quadruplicate or say that a certain number of literacy coaches or that many math tutorials had to happen."