/ Dictionary / Index A aerotrain: Meaning and Definition of Find definitions for: aer•o•train Pronunciation: (âr'u-trān"), [key] — n. an experimental high-speed train that rides on a cushion of air over a concrete guide track in the shape of an invertedand is propelled by one or more propellers or jet engines. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. aerotow aerotropism Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language