/ Dictionary / Index A autonomic: Meaning and Definition of Find definitions for: au•to•nom•ic Pronunciation: (ô"tu-nom'ik), [key] — adj. autonomous. of or pertaining to the autonomic nervous system. under the control of the autonomic nervous system. produced by internal forces or causes; spontaneous. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: autonomic (Thesaurus) automotive autonomic nervous system Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language