n.
1.a type of security issued by a corporation (usually together with a bond or preferred stock) that gives the holder the right to purchase a certain amount of common stock at a stated price
2.a written certificate that gives the holder the right to purchase shares of a stock for a specified price within a specified period of time
Idiom of the Day
gain ground
to go forward, to make progress
The toy company is gaining ground in their effort to sell more products.