/ Dictionary / Index C Cyllenian: Meaning and Definition of Find definitions for: Cyl•le•ni•an Pronunciation: (si-lē'nē-un), [key] — adj. of or pertaining to Mount Cyllene in Arcadia, Greece, or to the god Hermes, reputed to have been born there. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cylix Cym. Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language