Discount (noun)

1. A reduction in the price of a product or service.
2. A sum or percentage deducted from the normal price of something.
3. The act of reducing the price of something.
4. A deduction from the usual cost of something.
5. The amount by which the price of something is reduced.

Origin:

Early 17th century (as a verb in the sense "make a deduction"): from french décompter, from des- (expressing reversal) + compter "count".

Examples:

1. The store offered a discount on the purchase.
2. He negotiated a 10% discount.
3. The company offered a discount for bulk purchases.
4. The ticket had a 50% discount.
5. He gave a discount to the loyal customers.