Meaning of SELL SHORT

Pronunciation:			sel short
WordNet Dictionary
	Definition:		[v]  underestimate the real value or ability of; "Don't sell your students short--they are just shy and don't show off their knowledge" [v]  sell securities or commodities or foreign currency that is not actually owned by the seller, who hopes to cover (buy back) the sold items at a lower price and thus to earn a profit
	See Also:		sell, underestimate, underrate