/ Dictionary / Index B Bactria: Meaning and Definition of Find definitions for: Bac•tri•a Pronunciation: (bak'trē-u), [key] — n. an ancient country in W Asia, between the Oxus River and the Hindu Kush Mountains. Cap.: Bactra. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Bactra Bactrian camel Related Content Daily Word Quiz: dentifrice Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language