/ Dictionary / Index C codicillary: Meaning and Definition of Find definitions for: cod•i•cil•la•ry Pronunciation: (kod"u-sil'u-rē), [key] — adj. of, pertaining to, or of the nature of a codicil. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. codicil codification Related Content Daily Word Quiz: bungled Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language