noun, plural Al·tais, (especially collectively) Al·tai for 1.
Examples from the Web for altai
"A seeker of knowledge from the Altai Mountains," I responded.The Story of an Untold Love|Paul Leicester Ford
There is much to attract and impress in the scenery of the lakes of the Altai.
The production of silver in the Altai mines is about a thousand and fifty poods annually, or forty thousand pounds avoirdupois.Overland through Asia; Pictures of Siberian, Chinese, and Tartar Life|Thomas Wallace Knox
From Stolokaitai, the line follows the highway and proceeds to Chenghwaszu, the capital of Altai province.The International Development of China|Sun Yat-sen
Lying deep among the Baikal Mountains, an off-shoot of the Altai, it presents some vividly coloured and striking scenery.