A lump, mound, or heap; often used in the form 坨子 tuó​zi

Used for small mounds or clumps of things such as mud, dough, or animal droppings

To stick together or form a soggy clump, specifically used when noodles or dumplings are overcooked or left sitting for too long.

(literary) An open-air site used for drying or storing salt.

(bound form) Used in various place names such as Sujiatuo or Wangqingtuo.