Definition of maasha:
(n) :
A traditional unit of weight in South Asia, usually about a gram and variably equivalent to a tenth or a twelfth of a tola; in modern use, standardised to 0.972 grams and a twelfth of a tola.
(n) :
(historical) A coin in South Asia weighing one maasha, variably equivalent to a tenth or a twelfth of a rupee.