/ Dictionary / Index E ethol.: Meaning and Definition of Find definitions for: ethol. Pronunciation: [key] ethology. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ethogram ethology Related Content Daily Word Quiz: mamba Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language