lakh /lɑk/noun 2number 1forms 1 noun2 •One hundred thousand rupees.INprimis, of Rupias Ecbery, thirteene Crou (euery Crou is an hundred Leckes, and euery Leck an hundred thousand Rupias) or one thousand three hundred Leckes. — 1625 •(figurative) Often in the plural: an indefinitely large number; a zillion.The Laccadives and Maldives, for instance, meaning literally the "lac of islands" and the "thousand islands," are a series of such atolls; […] — 1878 number1 •One hundred thousand (10⁵): 100,000, that is, with Indian digit grouping, 1,00,000.After a hunt lasting more than a year-and-a-half, police have arrested a couple for duping around 2 lakh people in one of India's biggest investment frauds involving an estimated Rs 1,100 crore. — 2012 formslakhs