septum

  1. Noun.  (anatomy) A wall separating two cavities; a partition; as, the nasal septum.
  2. Noun.  (botany) A partition that separates the cells of a fruit.
  3. Noun.  (zoology) One of the radial calcareous plates of a coral.
  4. Noun.  (zoology) One of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers.
  5. Noun.  (zoology) One of the transverse partitions dividing the body cavity of an annelid.

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This entry was last updated on RefTopia from its source on 3/20/2012.