septum

plural septa · plural septums · alternative obsolete saeptum · alternative obsolete sæptum

1. A wall separating two cavities; a partition.
   1. abbreviationellipsisanatomyEllipsis of nasal septum (“the cartilaginous center wall of the nose separating the two nostrils”).

      Sally got a dagger hung from her septum O'Malley cut his ears off, but wishes that he kept 'em

      2008, Neil Cicierega, “Modify”, in View-Monster, performed by Lemon Demon

      1 more example

      Deviated septum, a shift from the midline that commonly occurs in normal growth, is present in most adults.

      2002, Springhouse, Illustrated Manual of Nursing Practice, Lippincott Williams & Wilkins, page 1158

      Synonyms: dissepiment

   2. anatomyEither of the two walls that separate the atria or ventricles of the heart into left and right chambers.

      Synonyms: dissepiment

   3. biologyA partition that separates the cells of a fruit.

      Synonyms: dissepiment

   4. biologyA partition that separates the cells of a (septated) fungus.

      Synonyms: dissepiment

   5. biologyOne of the radial calcareous plates of a coral.

      Synonyms: dissepiment

   6. biologyOne of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers.

      Synonyms: dissepiment

   7. biologyOne of the transverse partitions dividing the body cavity of an annelid.

      Synonyms: dissepiment

   8. nuclear medicinebiologyOne of the walls dividing two holes in a parallel-hole collimator

      Synonyms: dissepiment

2. abbreviationcolloquialellipsisEllipsis of septum ring or septum piercing.

   Look, I got a new septum!