unilocular
/ˌjuːnɪˈlɒkjʊlər/Definitions
1. adjective
Having only one chamber or cavity; consisting of or being a single cell, cavity, or compartment.
“The unilocular ovary in some plant species simplifies the process of seed production.”
2. noun
A single-chambered cell, cavity, or compartment.
“In the unilocular cells of some organisms, the genetic material is contained within a single membrane-bound compartment.”