/ Dictionary / Index R registry: Meaning and Definition of Find definitions for: reg•is•try Pronunciation: (rej'u-strē), [key] — pl. -tries. the act of registering; registration. a place where a register is kept; an office of registration. register (defs. 1, 2). the state of being registered. the nationality of a merchant ship as shown on its register. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: registry (Thesaurus) registration registry office Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language