||Sep"tum (?), n.; pl.
Septa (#). [L. septum, saeptum, an
inclosure, hedge, fence, fr. sepire, saepire, to hedge
in, inclose.] 1. A wall separating two cavities;
a partition; as, the nasal septum.
2. (Bot.) A partition that separates
the cells of a fruit.
3. (Zoöl.) (a) One
of the radial calcareous plates of a coral. (b)
One of the transverse partitions dividing the shell of a mollusk,
or of a rhizopod, into several chambers. See Illust. under
Nautilus. (c) One of the transverse
partitions dividing the body cavity of an annelid.
||Sep"tum (?), n.; pl.
Septa (#). [L. septum, saeptum, an
inclosure, hedge, fence, fr. sepire, saepire, to hedge
in, inclose.] 1. A wall separating two cavities;
a partition; as, the nasal septum.
2. (Bot.) A partition that separates
the cells of a fruit.
3. (Zoöl.) (a) One
of the radial calcareous plates of a coral. (b)
One of the transverse partitions dividing the shell of a mollusk,
or of a rhizopod, into several chambers. See Illust. under
Nautilus. (c) One of the transverse
partitions dividing the body cavity of an annelid.
