Definitions:

1. Describes something divided into or consisting of four parts. ADJECTIVE
   • The cathedral's quadripartite architecture was evident in its four intersecting arches that supported the central dome.
2. In agreements and treaties, used to refer to a formal arrangement or treaty involving four parties or groups. ADJECTIVE
   • The countries signed a quadripartite agreement to cooperate on climate changes initiatives.
3. In biology, used to describe organisms or structures that have four distinct parts. ADJECTIVE
   • The plant's leaf has a quadripartite structure, with four clearly defined lobes.
4. In structures or systems, describes anything that is divided into four distinct sections or components. ADJECTIVE
   • The ancient monument had a quadripartite design, with four equally sized chambers.

Synonyms:

• four-party
• quadrivial
• quaternary