Definitions
1.NounA wall separating two cavities; a partition.
2.NounEllipsis of nasal septum (“the cartilaginous center wall of the nose separating the two nostrils”).
3.NounEither of the two walls that separate the atria or ventricles of the heart into left and right chambers.
4.NounA partition that separates the cells of a fruit.
5.NounA partition that separates the cells of a (septated) fungus.
6.NounOne of the radial calcareous plates of a coral.
7.NounOne of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers.
8.NounOne of the transverse partitions dividing the body cavity of an annelid.
9.NounOne of the walls dividing two holes in a parallel-hole collimator
10.NounEllipsis of septum ring or septum piercing."Look, I got a new septum!"