/ Dictionary / Index F floccus: Meaning and Definition of Find definitions for: floc•cus Pronunciation: (flok'us), [key] — n., pl. adj. floc•ci —n. a small tuft of woolly hairs. —adj. (of a cloud) having elements in the form of small, rounded tufts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. flocculus flock Related Content Daily Word Quiz: labyrinth Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language