n The action of rubbing, kneading or hitting someone's body, to help the person relax, prepare for muscular action (as in contact sports) or to relieve aches.
v (transitive) To rub and knead (someone's body or a part of a body), to perform a massage on (somebody).
v (transitive) To manipulate (data, a document etc.) to make it more presentable or more convenient to work with.