Related Clues:
- Shape of many six-sided rooms
- Joint with a 90-degree bend
- Angular pipe fitting
- Ninety-degree wing
- Bent pipe shape
- Building wing shape, sometimes
- Dual-purpose room shape
- 90-degree building addition
- Wall-bracket shape
- Letter-shaped building addition
- Pipe elbow
- Middle of a melee?
- Lemon head?
- Lemonhead?
- Certain big couch shape