Septa

3 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.
        [1913 Webster]


  
     2. (Bot.) A partition that separates the cells of a fruit.
        [1913 Webster]
  
     3. (Zool.)
        (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.
            [1913 Webster]

From WordNet (r) 2.0 [wn]:

  septum
       n 1: (anatomy) a dividing partition between two tissues or
            cavities
       2: a partition or wall especially in an ovary
       [also: {septa} (pl)]

From WordNet (r) 2.0 [wn]:

  septa
       See {septum}