oicos

from The Century Dictionary.

• noun In medieval Gr. poetry, a group or succession of Anacreontic dimeters, generally six in number, with or without anaclasis or , and followed by trimeters, usually two (called the κουκούλιον or ‘hood’).
• noun In the Gr. Ch., a hymn said or sung at the end of the sixth ode in a canon of odes. Also oikos.