septum
/ˈsɛp.təm/
More pronunciations (1)Fewer pronunciations
Australia/ˈsep.təm/
septum noun: either of the two walls that separate the atria or ventricles of the heart into left and right chambers. Also the ellipsis of nasal septum.
Noun
septum (plural septa or septums)
- Either of the two walls that separate the atria or ventricles of the heart into left and right chambers.
- Synonyms:
- dissepiment
- A partition that separates the cells of a fruit.
- Synonyms:
- dissepiment
- A partition that separates the cells of a (septated) fungus.
- Synonyms:
- dissepiment
- One of the radial calcareous plates of a coral.
- Synonyms:
- dissepiment
- One of the transverse partitions dividing the shell of a mollusk, or of a rhizopod, into several chambers.
- Synonyms:
- dissepiment
- One of the transverse partitions dividing the body cavity of an annelid.
- Synonyms:
- dissepiment
- One of the walls dividing two holes in a parallel-hole collimator
- Synonyms:
- dissepiment
Also used as
septum is also the ellipsis of nasal septum.
septum is also the ellipsis of septum ring or septum piercing.
septum meaning in Thai
septum in Thai
- (anatomy) wall separating two cavities
- ผนังกั้น
Examples of septum in a sentence
- Diana wrinkled her nose in disgust, her tucked-up septum piercing catching the light from the upstairs hallway.
- The developing urorectal septum grows dorsally and caudally from the rostral limit of the allantoic diverticulum.
- A single piece of jewelry, most often a barbell, passes horizontally through each nostril and the septum.
Synonyms of septum
Forms of septum
| plural | septa |
|---|---|
| plural | septums |
| alternative form (obsolete) | saeptum |
| alternative form (obsolete) | sæptum |
Origin of septum
Borrowed from Latin sēptum (“enclosure, wall, fence”).
Words formed from septum
Phrases with septum
Words that rhyme with septum
Questions about septum
- What does septum mean?
- Septum means either of the two walls that separate the atria or ventricles of the heart into left and right chambers.
- What is septum in Thai?
- Septum in Thai is ผนังกั้น. See Septum meaning in Thai.
- What part of speech is septum?
- Septum is a noun.
- How do you pronounce septum?
- Septum is pronounced /ˈsɛp.təm/ (UK).
- What is the plural of septum?
- The plural of septum is septa.
Words near septum in the dictionary
Source and license
Adapted from Wiktionary: septum (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-septum.wav.
Cite this entry: “septum.” Word.ws, https://word.ws/septum. Based on Wiktionary, CC BY-SA 4.0.