Longman Dictionary of Contemporary English - budget

~1 n 1 a plan of how a person or organization will spend the money that is available in a particular period of time, or the money itself  (planning the annual budget) + of  (a welfare program with a budget of $2 billion) defence/advertising etc budget (=money available for defence etc) | over/under budget (=having spent more or less than the amount allowed in a budget) | budget deficit (=a situation in which more money has been spent than is available) | balance the budget (=make sure that only money available is spent) | be on a tight budget (=not have much money to spend) 2 an official statement that a government makes about how much it intends to spend and what taxes will be necessary ~2 v 1 to carefully plan and control how much you spend  (We'll just have to budget more sensibly in the future. | budget for (=plan how much you need for something))  (We've budgeted for a new car next year.) 2 to plan carefully how much of something will be needed  (She's learned how to budget her time carefully.) ~3 adj only before noun very low in price; cheap  (a budget flight)