valley. (building construction). An inside angle formed where two sloping sides intersect. (geography). A generally broad area of flat, low-lying land bordered by higher ground.
In ordinary usage, price is the quantity of payment or compensation given by one party to another in return for goods or services.
Economics definition, (used with a singular verb) the science that deals with the production, distribution, and consumption of goods and services, or the material welfare of humankind. See more.