/ Dictionary / Index G gressorial: Meaning and Definition of Find definitions for: gres•so•ri•al Pronunciation: (gre-sôr'ē-ul, -sōr'-), [key] — adj. Zool. adapted for walking, as the feet of some birds. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Gresham's law Greta Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language