/ Dictionary / Index A Alfonso XII: Meaning and Definition of Find definitions for: Alfonso XII Pronunciation: [key] 1857–85, king of Spain 1874–85. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Alfonso X Alfonso XIII Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language