Illustrated Companion to the Latin Dictionary/Mesaulos

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

MESAU'LOS (μέσαυλος). A passage or corridor in a Greek house, between the two principal divisions of the ground-floor, the andronitis and gynaeconitis; in the centre of it there was a door, which, when closed, shut of all communication between the two suites of apartments. (Vitruv. vi. 7. 5.) See the plan at p. 252. on which it is marked d.