1 [transitive usually passive]
to make someone suffer great mental or physical pain:
Great sobs racked her body.
be racked by/with something
Her face was racked with pain.
Liza was racked by guilt.
to try very hard to remember or think of something:
I racked my brains, trying to remember his name.
rack something ↔ upphrasal verb
to get a number or amount of something, especially a number of points in a competition:
He racked up 41 points.