Dissepiment
Dissepiment , noun
[Latin dissaepimentum, from dissaepire; dis- + saepire to hedge in, inclose.]
1.
A separating tissue; a partition; a septum.
2.
(Botany) One of the partitions which divide a compound ovary into cells.
3.
(Zoology) One of the transverse, calcareous partitions between the radiating septa of a coral.