/ Dictionary / Index R rising sign: Meaning and Definition of Find definitions for: ris'ing sign' Pronunciation: [key] — Astrol. Astrol.(in a horoscope) the sign of the zodiac on the eastern horizon at any given moment; ascendant. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. rising rhythm risk Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language