/ Dictionary / Index W wrist plate: Meaning and Definition of Find definitions for: wrist' plate" Pronunciation: [key] — Mach. Mach. a platelike part of a mechanism, oscillating in its own plane, to which links or rods are attached by pins. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. wrist pin wrist watch Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language