What is a Caryatid?

A Caryatid is indeed a pier or column that is specifically carved in the shape of a standing woman, often functioning as a support for structures such as porticoes or entablatures. This design element is notable in ancient Greek architecture, where Caryatids were used to replace traditional columns. Their inclusion not only served a structural purpose but also added an artistic and symbolic dimension to the architecture, representing grace and beauty. One of the most famous examples is found in the Erechtheion on the Acropolis of Athens, where the Caryatids stand elegantly, embodying the ideal of beauty in a functional role.

The other options represent different concepts. Ancient Greek pottery refers to various forms of ceramics that were crafted and often decorated, while a rectangular space in a building generally describes a physical layout rather than a particular architectural feature. The term "type of ancient Greek column tradition" does not relate to the specific form and function of Caryatids, which are unique in their anthropomorphic design compared to classical columns like Doric, Ionic, or Corinthian.