To strike (a person), originally with something flat or heavy, but now specifically in such a way as to discolour the skin without breaking it.
To damage the skin of (fruit or vegetables), in an analogous way.
Of fruit or vegetables, to gain bruises through being handled roughly.
Bananas bruise easily.
To become bruised.
I bruise easily.
To fight with the fists; to box.
A violent physical attack on a person.
You'd better shut up or you'll get a bruising.