1. Noun

   earth; soil; dirt; clay; mud

   農家の人達は鋤で土を耕す。

2. the earth (historically, esp. as opposed to the heavens); the ground; the land

3. low-quality torinoko-gami (containing mud)

   see 鳥の子紙

4. (period of) refraining from construction in the direction of the god of the earth (in Onmyōdō)

   also written as 犯土, 椎, 槌see 陰陽道

Also written 地【つち】tsuchi