septum
Americannoun
noun
-
biology anatomy a dividing partition between two tissues or cavities
-
a dividing partition or membrane between two cavities in a mechanical device
Other Word Forms
Noun Inflected Forms
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
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
Despite heavy bleeding and a deviated septum, Davies continued playing.
From BBC ● Mar. 28, 2026
Nathan Cohen, a 19-year-old college sophomore, had a septorhinoplasty in late December to fix a deviated septum and slightly alter the tip of his nose.
From The Wall Street Journal ● Feb. 7, 2026
Jackson, also an actor, held up a light to her nose to show followers the hole in her septum.
From Los Angeles Times ● Nov. 11, 2025
Bolsonaro said he will undergo procedures to correct a hiatus hernia and a deviated septum.
From Reuters ● Sep. 11, 2023
“An iced coffee, please,” she told the cute male barista with the septum piercing.
From "When Dimple Met Rishi" by Sandhya Menon
The fibers also lack internal walls called septa that often divide such tubes into cells.
From Scientific American ● Sep. 24, 2021
They took cartilage cells from the patients’ nasal septa, grew them on a collagen membrane, shaped them according to the needs of the patient, and implanted the tissue back into the nose.
From Forbes ● Apr. 12, 2014
The septa are physical extensions of the myocardium lined with endocardium.
From Textbooks ● Jun. 19, 2013
The remainder of the heart development pattern includes development of septa and valves, and remodeling of the actual chambers.
From Textbooks ● Jun. 19, 2013
Lady Lemore was with him, garbed once more in the white robes of a septa.
From "A Dance with Dragons" by George R. R. Martin
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
