/ Dictionary / Index M metacarpus: Meaning and Definition of Find definitions for: met•a•car•pus Pronunciation: (met"u-kär'pus), [key] — pl. -pi the part of a hand or forelimb, esp. of its bony structure, included between the wrist, or carpus, and the fingers, or phalanges. See diag. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: metacarpus (Thesaurus) metacarpal metacenter Related Content Daily Word Quiz: panacea Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language