What is Revise ?

Revise is (verb) 1. to study a lesson again There isn’t enough time to revise before the exam. I’m revising for my history test. (NOTE: The US term is to review.) 2. to change something or make something correct He is revising the speech he is due to give this evening. These figures will have to be revised, there seems to be a mistake.


source: Easier English, Student Dictionary Upper Intermediate Level