Definitions of sit:

• verb:   sit around, often unused
• verb:   be seated
• verb:   be in session

  Example: "When does the court of law sit?"

• verb:   work or act as a baby-sitter

  Example: "I cannot baby-sit tonight"

• verb:   show to a seat; assign a seat for
• verb:   sit and travel on the back of animal, usually while controlling its motions
• verb:   take a seat
• verb:   assume a posture as for artistic purposes
• name:  A surname (very rare: popularity rank in the U.S.: #45396)