蔀 [bù]
1. Straw mat used for covering a shelter.
例: 丰其蔀,日中见斗。
(Translation: Abundantly cover the shelter so that one sees the Big Dipper at midday.)
2. An ancient calendar term, in which nineteen years is one chapter, and four chapters make one "蔀."
(Translation: Calendar term; in ancient Chinese calendars, it was a recognized system where one "chapter" consists of nineteen years, four chapters constitute one "蔀," twenty "蔀" make one "纪," and sixty "蔀" make one "元.")
Additional Notes:
- 可引申为:蔀屋 (a house with a thatched roof; generally refers to a poor, dark, and simple dwelling)
- 蔀家 (to have a large house and set up a shelter with straw mats)