Meaning of “estimate” - Learner’s Dictionary

estimate

noun [ C ] uk us /ˈestɪmət/
GUESS

B2 a guess of what a size, value, amount, etc might be:

a rough estimate
DOCUMENT

a written document saying how much it will probably cost to do a job:

Can you give me an estimate for the work?

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