/ Dictionary / Index R rifling: Meaning and Definition of Find definitions for: ri•fling Pronunciation: (rī'fling), [key] — n. the act or process of cutting spiral grooves in a gun barrel, pipe, etc. the system of spiral grooves so cut. ri•fling Pronunciation: (rī'fling), [key] — n. the act or process of ransacking or robbing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: rifling (Thesaurus) riflescope riflip Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language