What is Waver?
Waver is (verb) 1. to shake slightly or to move from side to side The needle on the dial wavered around the 200km mark. 2. to be unable to decide what to do He is still wavering about which hotel to go to in Paris. She wavered between the two possible colour schemes and finally decided to paint the kitchen white. (NOTE: Do not confuse with waiver.)
source: Easier English, Student Dictionary Upper Intermediate Level