la pared

la pared
1. Queremos tumbar esta pared para conectar la cocina y el comedor.
We want to knock down this wall to connect the kitchen and the dining room.
2. Finalmente colgué los cuadros en las paredes de mi casa nueva.
I finally hung up the picture frames on the walls of my new house.
"Pared" is usually used to refer to the walls of a building. For larger, free-standing structures (like the Berlin Wall or China's Great Wall), words like "muro" or "muralla" are used.