Definitions

1. noun

A person who costs or estimates the cost of something, especially goods or materials.

“The coster provided us with an accurate estimate for the project.”

2. verb

To estimate or calculate the cost of something.

“The manager costed the budget for the new office renovation.”

3. verb

To sell goods, especially second-hand items, at a low price.

“The coster was selling old furniture on the street corner.”