/ Dictionary / Index A Arp: Meaning and Definition of Find definitions for: Arp Pronunciation: (ärp), [key] — n. pen name of Charles Henry Smith. or, 1888?–1966, French painter and sculptor. ARP Pronunciation: [key] adjustable-rate preferred. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arp (Thesaurus) arouse Árpád Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language