/ Dictionary / Index H holosericeous: Meaning and Definition of Find definitions for: hol•o•ser•i•ceous Pronunciation: (hol"u-si-rish'us, hō"lu-), [key] — adj. Bot., Zool. covered with short, silky hairs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. holopneustic holothurian Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language