Having a chamber or chambers (in various senses). Originally and frequently with modifying word specifying the number of chambers, as single-chambered…

Of a natural mineral substance or (later) a man-made material: containing a cavity or cavities; characterized by air-filled pockets or pores.

Having, consisting of, or characterized by several or many compartments or cavities.

Divided into, or provided with cells; celled.

Furnished with pigeonholes; (figurative) organized according to a rigid system of classification.

Fitted with, or divided into, compartments.

having several chambers.

= multilocular, adj.

= multilocular, adj.