What are the Spanish words for the parts of a castell?

La torre is the tower, el hombro the shoulder, el piso a level or tier (also a flat, or a floor of a building), el casco the helmet, and el público the crowd or audience, a singular noun in Spanish: el público aplaude.

The words of the square

la torre
the tower
el hombro
the shoulder
el piso
a level, a tier
el casco
the helmet
el público
the crowd, the audience
Cuanto más alto es el piso, más ligeras son las personas.

The higher the level, the lighter the people.

Mientras suben, la plaza está en silencio.

While they climb, the square is silent.

Si la torre cae, la pinya protege a los que caen.

If the tower falls, the pinya protects those who fall.

More about Castells: human towers