la cúpula

The Spanish word "cúpula" can be explained as follows:

Meaning:

1. Architectural structure: A "cúpula" is a dome, which is a rounded vault forming the roof of a building or a part of a building, typically with a circular base. It is a common feature in churches, mosques, and other important buildings.
2. Leadership or top echelon: "Cúpula" can refer metaphorically to the leadership or the highest authority within an organization, group, or government. For example, the "cúpula militar" means the military high command or top military leadership.

Parts of the word:

• The word cúpula comes from the Latin cupula, meaning a little cup or dome.

Synonyms:

• Architectural context: dome, bóveda (vault)
• Leadership context: dirigencia, líderes, alta dirección, comité ejecutivo

Antonyms:

• There is no direct antonym, but in the leadership sense, it could be contrasted with base or rank-and-file members (common members rather than leaders).
• Architecturally, the opposite might be a flat or angular roof, but there isn't a strict antonym.

Additional notes:

• The word "cúpula" is often related to grandeur or central importance, both physically (as a dome crowned on top of buildings) and figuratively (as the highest circle of power).