ban-v; 2 Senses

Sense Number 1: forbid, prohibit

In 1978, an Eldon, Missouri library banned the dictionary.
Smoking has been banned in all public places.
The Cuban government has quietly banned the sale of computers.
A number of news organizations, including ABC and NBC, banned the practice.

VerbNet: forbid-67
FrameNet: Prohibiting
PropBank: ban.01
WordNet 3.0 Sense Numbers: 2, 1

Sense Number 2: expel from a group

I banned him because other bloggers, particulary females, had a problem with him.
All those boards who banned him required registration.
The puritanical Scots banned him for card counting.

VerbNet: NM
FrameNet: NM
PropBank: NM
WordNet 3.0 Sense Numbers: 3, 4