/ Dictionary / Index I incursion: Meaning and Definition of Find definitions for: in•cur•sion Pronunciation: (in-kûr'zhun, -shun), [key] — n. a hostile entrance into or invasion of a place or territory, esp. a sudden one; raid: The bandits made brief incursions on the village. a harmful inroad. a running in: the incursion of sea water. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: incursion (Thesaurus) incurrent incursive Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language