An amount of something that is more than what is needed or allowed. The company had an overage of supplies, which they decided to donate to local charities.
A charge or fee applied for exceeding a set limit, especially in the context of data usage or phone minutes. She was surprised by the overage on her phone bill after streaming videos all month.
A person, especially an athlete, who exceeds a prescribed age limit for participation in an age-restricted group or competition. The junior hockey league allows each team to carry two overages on its roster.