loculament
/ˈlɒkjʊləm(ə)nt/Chiefly Botany
noun
A small compartment, specifically of the ovary or anther of a plant; a loculus.
Origin
Mid 17th century; earliest use found in Walter Charleton (1620–1707), physician and natural philosopher. From classical Latin loculāmentum receptacle for holding things, case, compartment from loculus + -mentum.