/ Dictionary / Index A Aratus of Sicyon: Meaning and Definition of Find definitions for: A•ra•tus of Sic•y•on Pronunciation: (u-rā'tus uv sish'ē-on", sis'-, u-rä'-), [key] 271–213 b.c., Greek general: leader of the Achaean League. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Aras Araucan Related Content Daily Word Quiz: reluctant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language