/ Dictionary / Index X xiphoid: Meaning and Definition of Find definitions for: xiph•oid Pronunciation: (zif'oid), [key] — adj. sword-shaped; ensiform. —n. the xiphisternum. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. xiphisternum xiphosuran Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language