/ Dictionary / Index Y Yalu: Meaning and Definition of Find definitions for: Ya•lu Pronunciation: (yä'l" Chin. yä'ly'), [key] — n. Pinyin, Wade-Giles. a river in E Asia, forming part of the boundary between Manchuria and North Korea and flowing SW to the Yellow Sea. 300 mi. (483 km) long. Also called, Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: yalu (Thesaurus) Yalta yam Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language