noun.
One hundredthousand, used especially of units of money.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
the cardinal number that is the fifth power of ten
Word Usage
"I found this explanation at Wikipedia: ' The name may originate from the Sanskrit word laksha लक्ष, meaning "many" and referring to the soup's many ingredients; the word is also the origin of the Hindi term lakh'."