unilocular

[ yoo-nuh-lok-yuh-ler ]

/ ˌyu nəˈlɒk yə lər /

having or consisting of only one loculus, chamber, or cell.

Origin of unilocular

First recorded in 1745–55; uni- + locular

Ovary rudimentary in the male flower; unilocular and uniovulate in the female.

The Medicinal Plants of the Philippines |T. H. Pardo de Tavera
In this case the ovary is unilocular, and the placentas are parietal.

Encyclopaedia Britannica, 11th Edition, Volume 10, Slice 5 |Various
Pistillate: the receptacle dilates in its lower part in form of a globose vase and encloses the unilocular pluriovulate ovary.

The Medicinal Plants of the Philippines |T. H. Pardo de Tavera
The cysts thus formed may be unilocular or multilocular, and intra-cystic papillary vegetations frequently grow from their walls.

Manual of Surgery Volume Second: Extremities--Head--Neck. Sixth Edition. |Alexander Miles

It may thus be unilocular or multilocular, one- or many-seeded.

Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3 |Various

unilocular

/ (ˌjuːnɪˈlɒkjʊlə) /

(esp of a plant ovary or anther) having or consisting of a single chamber or cavity

unilocular

[ yōō′nə-lŏk′yə-lər ]

Having a single compartment or cavity; monolocular.