septum

Definitions of septum
  1. noun
    (anatomy) a dividing partition between two tissues or cavities
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    types:
    nasal septum
    a partition of bone and cartilage between the nasal cavities
    type of:
    partition
    (anatomy) a structure that separates areas in an organism
  2. noun
    a partition or wall especially in an ovary
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    type of:
    plant organ
    a functional and structural unit of a plant or fungus
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