1. Garret, loft, or Rood-loft.
2. Private upper chamber on the first floor, often in a cross-wing, of a medieval house.
3. Bay-window, almost the size of a small room, at the side of the high-table end of a medieval hall, or attached to a late-medieval withdrawing-room or dining-room.
Alcock,, Barley,, Dixon,, & and Meeson (1996);
so·lar1 / ˈsōlər/ • adj. of, relating to, or determined by the sun: solar radiation. ∎ relating to or denoting energy derived from the sun's rays: solar heating. so·lar2 • n. Brit. an upper chamber in a medieval house.