/ Dictionary / Index C cylindraceous: Meaning and Definition of Find definitions for: cyl•in•dra•ceous Pronunciation: (sil"in-drā'shus), [key] — adj. resembling a cylinder. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cylinder seal cylindrical 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