1. In ancient Greek architecture, a side chamber or wing of a building, especially one adjoining the main hall of a house.
Usage: architecture; historical; also spelled hemelytrion

Examples

• The hemelytron of the ancient Greek house provided additional living space adjacent to the central megaron.
• Archaeologists discovered pottery fragments in the hemelytron, suggesting it was used for storage.
• The hemelytron's design reflected the practical needs of domestic life in classical Athens.