inn sign noun

A painted or otherwise decorated panel outside an inn, illustrating its name

innˈyard noun

The courtyard round which an old-fashioned inn was built

Inns of Court

1. The buildings of four voluntary societies that have the exclusive right of calling to the English bar (Inner Temple, Middle Temple, Lincoln's Inn and Gray's Inn)
2. Hence, the societies themselves
3. The Inns of Chancery were the buildings of minor societies, residences of junior students of law