/ Dictionary / Index R registered: Meaning and Definition of Find definitions for: reg•is•tered Pronunciation: (rej'u-sturd), [key] — adj. recorded, as in a register or book; enrolled. officially listing the owner's name with the issuing corporation and suitably inscribing the certificate, as with bonds to evidence title. Abbr.: r officially or legally certified by a government officer or board: a registered patent. denoting cattle, horses, dogs, etc., having pedigrees verified and filed by authorized associations of breeders. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: registered (Thesaurus) register registered bond Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language