from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A beverage made of yogurt and water and flavored with spices, fruit, or other ingredients.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A drink made with yoghurt diluted with water and flavoured with salt or fruit juice.
Hindi lassī, probably ultimately from Sanskrit rasaḥ, juice, liquid, milk.(American Heritage® Dictionary of the English Language, Fourth Edition)