septum

American  

[sep-tuhm] / ˈsɛp təm /

noun

Biology.

plural

septa

1. a dividing wall, membrane, or the like, in a plant or animal structure; dissepiment.

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septum British  

/ ˈsɛptəm /

noun

1. biology anatomy a dividing partition between two tissues or cavities

2. a dividing partition or membrane between two cavities in a mechanical device

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septum Scientific  

/ sĕp′təm /

plural

septa

1. A thin wall or membrane that separates two parts or structures in an organism. Septae separate the chambers of the heart and subdivide the hyphae of some fungi.

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Etymology

Origin of septum

1710–20; < Latin sēptum, variant of saeptum enclosure, noun use of neuter of saeptus (past participle of saepīre to fence); akin to saepēs hedge, fence

Example Sentences

Gilly stumbled across the word “annulment” in one of High Septum Maynard’s diaries and asked Sam to define it.

From The Verge • Aug. 26, 2017

It’s this other person, Martin Septum, who’s the guy.

From Time • Oct. 28, 2016

Figure 7.17 Nasal Septum The nasal septum is formed by the perpendicular plate of the ethmoid bone and the vomer bone.

From Textbooks • Jun. 19, 2013

Septum: an internal division of a body cavity.

From Explanation of Terms Used in Entomology by Smith, John. B.

The place within the Septum, or rails, where the altar stands in the Christian church.

From The Church Handy Dictionary by Anonymous