/ Dictionary / Index L lower apsis: Meaning and Definition of Find definitions for: low'er ap'sis Pronunciation: (lō'ur). [key] See under(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lower Lower Austria Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language