Collins English-English Dictionary

cost [kɑst]

1. 1. n the price paid or required for acquiring, producing, or maintaining something, usually measured in money, time, or energy; expense or expenditure; outlay

2. 2. n suffering or sacrifice; loss; penalty

   count the cost to your health

   I know to my cost

3. 3. n the amount paid for a commodity by its seller

   to sell at cost

4. 4. n (as modifier)

   the cost price

5. 5. n [plural] [law] the expenses of judicial proceedings

6. 6. vt. [tr] to be obtained or obtainable in exchange for (money or something equivalent); be priced at

   the ride cost one pound

7. 7. vt. to cause or require the expenditure, loss, or sacrifice (of)

   the accident cost him dearly

8. 8. vt. to estimate the cost of (a product, process, etc) for the purposes of pricing, budgeting, control, etc

9. 9. vt. [Etymology] C13: from Old French (n), from coster to cost, from Latin constare to stand at, cost, from stare to stand