septum

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septum

  • /ˈsɛp.təm/ Canada, UK, US
  • /ˈsep.təm/ Australia

Rhymes with -ɛptəm

Where it comes from

Borrowed from Latin sēptum (“enclosure, wall, fence”).

noun septa · septums · saeptum · sæptum

  1. abbreviation, ellipsis Ellipsis of nasal septum (“the cartilaginous center wall of the nose separating the two nostrils”). Deviated septum, a shift from the midline that commonly occurs in normal growth, is present in most adults.

    Similar: dissepiment

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

    Similar: dissepiment

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

    Similar: dissepiment

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

    Similar: dissepiment

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

    Similar: dissepiment

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

    Similar: dissepiment

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

    Similar: dissepiment

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

    Similar: dissepiment

  9. abbreviation, colloquial, ellipsis Ellipsis of septum ring or septum piercing Look, I got a new septum!

Translations

Every language

noun (anatomy) wall separating two cavities

Españoltabique, septo, septum
Portuguêssepto
DeutschSeptum
Italianosetto
Ελληνικάδιάφραγμα diáfragma
Русскийперегоро́дка peregoródka

noun (mycology) partition separating the cells of a fungus

DeutschSeptum, Septe

noun ellipsis of septum ring or septum piercing

Españolseptum (séptum)

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MLA

"septum." Wiktionary, via Micwyn, micwyn.com/word/septum. Accessed 6 Nov. 2026.

APA

septum. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/septum

Chicago

"septum." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/septum.

BibTeX
@misc{septum_2026,
  title = {septum},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/septum},
  urldate = {2026-11-06}
}