1. A member of a mixed body of commissioners, appointed by a convention between two states for the purpose of adjusting any claims or disputes that might arise between the members of those states.
2. One of a bank of judges, instead of a single judex, appointed to hear civil cases that had a public-interest element. Pl. recuperatores (ri-k[y]oo-p[schwa]-r[schwa]-tor-eez).