/ Dictionary / Index T teleonomy: Meaning and Definition of Find definitions for: tel•e•on•o•my Pronunciation: (tel"ē-on'u-mē, tē"lē-), [key] the principle that the body's structures and functions serve an overall purpose, as in assuring the survival of the organism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. teleology teleost Related Content Daily Word Quiz: rustic Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language