Definitions

1. noun

a secondary or supplementary work that accompanies or is related to a primary work, or a secondary or subordinate part of something.

“The parergon to the novel was a collection of essays that provided additional context and analysis.”

2. noun

a secondary or subordinate part of a work of art or a system, especially one that is not essential to the main structure or function.

“The architect considered the parergon of the building’s design, including the decorative details and ornamentation.”