/ Dictionary / Index H hemispherical: Meaning and Definition of Find definitions for: hem•i•spher•i•cal Pronunciation: (hem"i-sfer'i-kul), [key] — adj. having the form of a hemisphere. hemispheric (def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hemispherical (Thesaurus) hemispheric hemispheroid Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language