the Himalaya the·hi·ma·laya uncommon noun 1. a mountain range extending 1500 miles on the border between India and Tibet; this range contains the world''s highest mountain SynonymsHimalayasHimalaya Mountainsthe Himalaya Related words Broader terms range Parts TibetIndiaNepal Part of AnnapurnaChangtzuDhaulagiriEverestGosainthanKametKanchenjungaLhotse WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.