/ Dictionary / Index A astr.: Meaning and Definition of Find definitions for: astr. Pronunciation: [key] astronomer. astronomical. astronomy. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. astounding astrachan Related Content Daily Word Quiz: arid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language