Meaning of Indus valley civilization

In'dus val'ley civiliza"tion

Pronunciation: [key]
  1. an ancient civilization that flourished in the Indus River valley, from about 2500 to 1500 b.c.: extensive archaeological excavations at the main sites of Mohenjo-Daro and Harappa in Pakistan. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.