Meaning of “pay (sth) out” - Learner’s Dictionary

pay (sth) out

phrasal verb with pay us uk /peɪ/ verb past tense and past participle paid

to spend a lot of money on something, or to pay a lot of money to someone:

I've just paid out £700 to get the car fixed.

(Definition of “pay (sth) out” from the Cambridge Learner’s Dictionary © Cambridge University Press)