/ Dictionary / Index A append: Meaning and Definition of Find definitions for: ap•pend Pronunciation: (u-pend'), [key] — v.t. to add as a supplement, accessory, or appendix; subjoin: to append a note to a letter. to attach or suspend as a pendant. to sign a document with; affix: to append one's signature to a will. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: append (Thesaurus) appellor appendage Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language