/ Dictionary / Index P pipelining: Meaning and Definition of Find definitions for: pipe•lin•ing Pronunciation: (pīp'lī"ning), [key] — n. the act, technique, or business of installing pipelines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pipeliner pip emma Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language