innerwall

noun
UK /ˈɪnəwɔːl/
US /ˈɪnərwɔːl/

The wall on the inside of a room or building.

She painted the innerwall a bright yellow color.


OTHER MEANINGS

2. The inner layer of a hollow structure or container.

The innerwall of the pipe was coated with rust.

3. A defensive wall built inside a castle or fortress.

Soldiers guarded the innerwall of the old castle.

4. The lining of a cavity or organ in the body.

The doctor examined the innerwall of the stomach.