a cash cow

a business or a part of a business that always makes a lot of profit The British newspapers are the group's biggest cash cow, earning nearly 40% of group profits.

Common Names:

Name	Pronounced	Usage
Chita	CHEE-tah	Spanish
Mairenn	-	Irish
Kaden	KAY-dən	English (Modern)
MÍCheÁL	-	Irish
Bella	['belə]
Rufus	ROO-fəs (English)	Ancient Roman, English, Biblical