basin

• Noun

  1. A wide bowl for washing, sometimes affixed to a wall.
  2. (obsolete) A shallow bowl used for a single serving of a drink or liquidy food.
  3. A depression, natural or artificial, containing water.
  4. An area of land from which water drains into a common outlet; drainage basin.
  5. A shallow depression in a rock formation, such as an area of down-folded rock that has accumulated a thick layer of sediments, or an area scooped out by water erosion.

• Verb