/ Dictionary / Index A Aterian: Meaning and Definition of Find definitions for: A•te•ri•an Pronunciation: (u-tēr'ē-un), [key] — adj. Archaeol. of or indicating a Middle Paleolithic industry of northwestern Africa and the Sahara, characterized by the production of tanged points and bifacially worked leaf-shaped points of varying sizes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. a tergo* à terre Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language