-ˌrād.ə(r) noun
( -s ; see sense 2 )
Etymology: Latin, literally, recoverer, from recuperatus + -or
1. : one that recuperates
2. also pl recuperato·res ̷ ̷ˌ ̷ ̷pərəˈtōr(ˌ)ēz : a judge in ancient Rome originally appointed to hear cases involving foreigners
3. : regenerator 4
4. : a device for returning a gun into the firing position after recoil