Meaning of socius criminis in English:

socius criminis

Pronunciation /ˌsəʊʃ(ɪ)əs ˈkrɪmɪnɪs/

noun

Law
  • An associate in crime; an accomplice.

Origin

Early 17th century. From post-classical Latin socius criminis companion or accomplice in crime (3rd century) from classical Latin socius + crīminis, genitive of crīmen.