/ Dictionary / Index J juku: Meaning and Definition of Find definitions for: ju•ku Pronunciation: (j'k), [key] — pl. -ku. (in Japan) a school, attended in addition to one's normal school, where students prepare for college entrance examinations. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Jukes Jul. Related Content Daily Word Quiz: soporific Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language