/ Dictionary / Index J Japanese mink: Meaning and Definition of Find definitions for: Jap'anese mink' Pronunciation: [key] a dark-brown arboreal marten, Martes melampus, native to Japan, having a long body and bushy tail. a pale-brown northern Asian weasel, Mustela siberica. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Japanese maple Japanese oyster Related Content Daily Word Quiz: eccentric Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language