/ Dictionary / Index A automechanism: Meaning and Definition of Find definitions for: au•to•mech•an•ism Pronunciation: (ô"tō-mek'u-niz"um), [key] — n. an automatic mechanical system or component, esp. a device that operates automatically under predetermined conditions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. automaton automobile Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language