1. A public room or building for transacting the business of a town.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• townhall,
• rown hall,
• fown hall,
• gown hall,
• yown hall,
• 6own hall,
• 5own hall,
• tiwn hall,
• tkwn hall,
• tlwn hall,
• tpwn hall,
• t0wn hall,
• t9wn hall,
• toqn hall,
• toan hall,
• tosn hall,
• toen hall,
• to3n hall,
• to2n hall,
• towb hall

The adjective form of the phrase "town hall" is "town hall". It is used to describe something related to or associated with a town hall.

The plural of the "town hall" can be the "town halls".

The singular of the "town hall" can be the "town hall".