Definition of porteous in English:

porteous

(also portas, portuis)

Pronunciation /ˈpɔːtɪəs/

noun

historical
  • 1A portable breviary.

  • 2Scots Law
    A list of the names of indicted offenders prepared by the Justice Clerk. Now chiefly in "porteous roll".

Origin

Late Middle English; earliest use found in Geoffrey Chaucer (c1340–1400), poet and administrator. From Anglo-Norman porteose, portehos, porteus and Old French, Middle French portehors a portable breviary from porte- + hors out of doors, abroad.