Definitions of budget
an estimate of how much money a person or an organization will earn and spend during a specific period of time
The net income budget before non-cash stock compensation and extraordinary items for 2015 is the amount approved by the Board at its meeting of 1/28/15.
an estimate of national revenue and expenditure presented by a country's finance minister
She will present her first budget to the assembly next Tuesday.
the amount of money that is available to spend on a particular thing
They have not yet agreed on a budget for the proposed airport.