The word crater may refer to

• A landform resembling a pit or depression in the topography that can be formed in several ways:
  • a meteorite impact with another body can cause an impact crater,
  • an electrical discharge such as lightning may form a crater-like pit,
  • volcanic activity may form a volcanic crater or caldera,
  • erosion may form a depression called a karst,
  • and a mine explosion or a bomb may form a crater.
• A constellation, see Crater (constellation).
• A Greek vessel used to mix wine and water: see Krater.