[General] Usage of the word Harbor

[The Learner]

Hi all,
I am little confused with the usage of word 'HARBOR' in the below sentence.

'the Couple harbored the dream of getting married'

is it a correct sentence?

if not kindly explain and tell me the right sentence with the same meaning.

Thanks in Advance!

[Anglika]

It is perfectly correct:

harbour (HAVE IN MIND) UK, US harbor
verb [T]
to have in mind a thought or feeling, usually over a long period:
He's been harbouring a grudge against her ever since his promotion was refused.
There are those who harbour suspicions about his motives.
Powell remains non-committal about any political ambitions he may harbour.

[Cambridge Dictionary]