Definitions of ban:

• noun:   an official prohibition or edict against something
• noun:   100 bani equal 1 leu
• noun:   a decree that prohibits something
• noun:   a bachelor's degree in nursing
• verb:   forbid the public distribution of ( a movie or a newspaper)
• verb:   prohibit especially by legal means or social pressure

  Example: "Smoking is banned in this building"

• verb:   expel from a community or group
• verb:   ban from a place of residence, as for punishment
• name:  A surname (very rare: popularity rank in the U.S.: #36329)