Meaning of “budget” - Learner’s Dictionary

budget

noun [ C ] uk us /ˈbʌdʒɪt/
PLAN

a plan that shows how much money you have and how you will spend it

AMOUNT

B2 the amount of money you have for something:

an annual budget of 30 million euros
the Budget

in the UK, an occasion when the government officially tells the public about its plans for taxes and spending

budgetary adjective [ always before noun ]

relating to a budget

(Definition of “budget noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)