Definition of res universitatis in US English:

res universitatis

noun

Law
historical
  • Chiefly treated as plural: property belonging to a community or corporate body, which can be freely used by all its members. With singular concord: this form of ownership.

Origin

Late 17th century; earliest use found in George MacKenzie (?1638–1691), lawyer and politician. From post-classical Latin res universitatis universal property from classical Latin rēs, plural of rēs thing + ūniversitātis, genitive of ūniversitās, in post-classical Latin sense ‘community’.

Pronunciation

res universitatis

/ˌreɪz juːnɪˌvəːsɪˈtɑːtɪs/