The Collaborative International Dictionary of English v.0.48:

Andron \An"dron\ ([a^]n"dr[o^]n), n. [L. andron, Gr. 'andrw`n,
   fr. 'anh`r, 'andro`s, man.] (Gr. & Rom. Arch.)
   The apartment appropriated for the males. This was in the
   lower part of the house.
   [1913 Webster]