To sell (a commodity) at too low a price. Also figurative.

transitive. Originally: to make a reduction of (a specified percentage) from a selling price or sum due. Later: to reduce (a selling price) by means…

figurative. To sell at low prices or at a sacrifice.

transitive. To buy and sell (goods) as a middleman; to buy from one person and sell to another at a profit. to job off: to sell at very low prices.