Source : Webster's Revised Unabridged Dictionary (1913)

Dissepiment \Dis*sep"i*ment\, n. [L. dissaepimentum, fr.
   dissaepire; dis- + saepire to hedge in, inclose.]
   1. A separating tissue; a partition; a septum.

   2. (Bot.) One of the partitions which divide a compound ovary
      into cells.

   3. (Zo["o]l.) One of the transverse, calcareous partitions
      between the radiating septa of a coral.