Definitions of "Dat"

That

Indicates a specific thing far from the speaker

Patois: Mi like dat car.
English: I like that car.

Grater Cake , Di , Dis , Dat ,

That

Used to point out a specific noun that is farther in proximity

Patois: Mi wah dat one.
English: I want that one.

Grater Cake , Di , Dis , Dem ,

That

used to identify a specific person or thing observed or heard by the speaker.

Patois: A weh dat? Ah yuh dat? etc..
English: What is that?, Is that you? etc...

That

Patois: Dat buk bilong tu mi.
English: That book belongs to me.

That

(patois) Wha dat?
(english) What’s that?