/ Dictionary / Index C cider: Meaning and Definition of Find definitions for: ci•der Pronunciation: (sī'dur), [key] — n. the juice pressed from apples (or formerly from some other fruit) used for drinking, either before fermentationor after fermentationor for making applejack, vinegar, etc. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: cider (Thesaurus) -cide cider press Related Content Daily Word Quiz: ravenous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language