Definition of "quartile" []

• The value of the boundary at the 25th, 50th, or 75th percentiles of a frequency distribution divided into four parts, each containing a quarter of the population. (noun)

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.

• "It was a bet on the bottom 3/4th or so of American society, in particular on the second quartile from the bottom, because that’s where the incremental homeowners needed to push the home ownership from 64% to 69% would primarily come from."
• "We are not top of the heap by any stretch of the imagination but we are aggressive, we are top quartile, which is where we are in funding."
• "Birinyi called that the first phase, or "quartile," of the bull market."