/ Dictionary / Index K Kastro: Meaning and Definition of Find definitions for: Kas•tro Pronunciation: (Gk. käs'trô), [key] — n. Mytilene (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Kastor and Pollux Kastrop-Rauxel Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language