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septa |
1 definition found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Septum \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. (Zo["o]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.
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