/ Dictionary / Index Y Yokosuka: Meaning and Definition of Find definitions for: Yo•ko•su•ka Pronunciation: (yō"ku-s'ku, yu-koos'ku Japn. yô'kô-s'kä), [key] — n. a seaport on SE Honshu, in central Japan, on Tokyo Bay: naval base. 421,112. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Yokohama Yokuts Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language