/ Dictionary / Index F frequency polygon: Meaning and Definition of Find definitions for: fre'quency pol"ygon Pronunciation: [key] — Statistics. Statistics. a frequency curve consisting of connected line segments formed by joining the midpoints of the upper edges of the rectangles in a histogram whose class intervals are of uniform length. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. frequency modulation frequency response Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language