D defs.my
Entry 3 senses Webster, 1913

Septum

· Sep·tum · IPA /ˈsɛp.təm/
01 n. A wall separating two cavities; a partition; as, the nasal septum.
pl. Septa ((#))
  1. 1.
    A wall separating two cavities; a partition; as, the nasal septum.
  2. 2.
    A partition that separates the cells of a fruit.(Bot.)
  3. 3.
    One of the radial calcareous plates of a coral.(Zool.)