waiv·er 
/ˈweɪvɚ/ noun
plural waiv·ers /ˈweɪvɚ/ noun [count] 1 : the act of choosing not to use or require something that you are allowed to have or that is usually required
▪ a criminal defendant's waiver of a jury trial 2 : an official document indicating that someone has given up or waived a right or requirement
▪ The college got a special waiver from the town to exceed the building height limit. ▪ He signed an insurance waiver before surgery.
▪ a criminal defendant's waiver of a jury trial
▪ The college got a special waiver from the town to exceed the building height limit. ▪ He signed an insurance waiver before surgery.
on waivers
baseball — used to describe a process by which a player is removed from a team and is made available to be chosen by other teams ▪ He was placed on waivers.
