kajari | कजरी
kajari (Devanagari: कजरी ISO15919: kajarī) was name of one of the cows in Nand Baba's dairy. She was was jet black in color and was Shri Krishna's favorite. He loved drinking her milk.
REFERENCE
Prema Rasa Madira - The Intoxicating Bliss of Divine Love, Vol. 1 Ch. 7