ديوالي dewālī S̱. (दीपाली from दीप A lamp, and आली A row) s. f. A Hindū festival (ce- lebrated on the day of the new moon of kārtik: when the Hindūs, after bathing in the Ganges, or other river, put on their best attire, perform a srāddha, and at night worship Laksh̤mī. The houses and streets are illuminated all night: and, in Hindūstān, the night is universally spent in gaming).