1.
If something, for example a car, ploughs into something else, it goes out of control and crashes violently into it.
A young girl and her little brother were seriously hurt when a car ploughed into them on a crossing.
PHRASAL VERB : V P n
2.
If you say that money is ploughed into something such as a business or a service, you are emphasizing that the amount of money which is invested in it or spent on it in order to improve it is very large. ( BUSINESS )
Huge sums of private capital will be ploughed into the ailing industries of the east...
He claimed he ploughed all his money into his antique business.
PHRASAL VERB : be V-ed P n / -ing , V n P n / -ing [ emphasis ]