/ Dictionary / Index S stratified random sample: Meaning and Definition of Find definitions for: strat'ified ran'dom sam'ple Pronunciation: [key] — Statistics. Statistics. a random sample of a population in which the population is first divided into distinct subpopulations, or strata, and random samples are then taken separately from each stratum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stratified charge engine stratiform Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language