/ Dictionary / Index C certificate of admeasurement: Meaning and Definition of Find definitions for: certif'icate of admeas'urement Pronunciation: [key] — Naut. Naut. a certificate issued by a government authority, showing the registered tonnages of a commercial vessel. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. certificate certificate of deposit Related Content Daily Word Quiz: philately Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language