dissepiment noun. [dɪ'sɛpɪm(ǝ)nt] E18.
[Latin dissaepimentum, from dissaepire make separate, formed as DIS- 1 + saepire divide off by a hedge, from saepes hedge: see -MENT.]
Zoology & Botany. A partition in some part or organ; a septum; esp. (a) a wall separating the cells of a syncarpous ovary or fruit; (b) one of the horizontal plates connecting the vertical septa in corals.

■ dissepi'mental adjective M19.

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