WordWeight : Weighing the Words

Pronunciation : Sep"tum
Part of Speech : n.;
Etymology : [L. septum, saeptum, an inclosure, hedge, fence, fr. sepire, saepire, to hedge in, inclose.]
Definition : 1. A wall separating two cavities; a partition; as, the nasal septum.

2. (Bot.)

Defn: A partition that separates the cells of a fruit.

3. (Zo?l.) (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.

pl. Septa.
Source : Webster's Unabridged Dictionary, 1913