/ Dictionary / Index A alp: Meaning and Definition of Find definitions for: alp Pronunciation: (alp), [key] — n. a high mountain. A.L.P. Pronunciation: [key] American Labor Party. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: alp (Thesaurus) Aloysius alpaca Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language