concha
1 Americannoun
-
conchae
plural
-
Anatomy.
-
a shell-like structure, especially the external ear.
-
any turbinate bone, especially in the nose.
-
-
Architecture. conch.
noun
-
conchae
plural
noun
-
any bodily organ or part resembling a shell in shape, such as the external ear
-
Also called: conch. architect the half dome of an apse
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of concha1
1605–15; < New Latin, Latin: conch
Origin of concha2
From Spanish (southwestern U.S.), from Late Latin conchula, diminutive of Latin concha “shell”; see concha 1, conch
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:
“If you’re gonna mess around with the vanilla or chocolate concha, think twice about it,” the user warned.
From Los Angeles Times ● Dec. 22, 2025
In anticipation of the new “Barbie” film release this weekend, bakeries across the country have created a new type of Barbie to consume: a traditional Mexican concha.
From Los Angeles Times ● Jul. 19, 2023
My favorite is the sugar paste, because it reminds me of the topping on a concha, a Mexican sweet bread roll.
From Washington Post ● Dec. 30, 2022
Miss Matriarch's outfit was spot-on in that every item was piled on to convey her identity: the beaded earrings, the concha belt, the ribbon skirt, everything.
From Salon ● Aug. 31, 2022
“I like the way you think, dude,” Joe said, picking concha frosting crumbs from my plate.
From "The First Rule of Punk" by Celia C. Pérez
![]()
The middle concha and the superior conchae, which is the smallest, are both formed by the ethmoid bone.
From Textbooks ● Jun. 19, 2013
When looking into the anterior nasal opening of the skull, only the inferior and middle conchae can be seen.
From Textbooks ● Jun. 19, 2013
The inferior conchae are separate bones, whereas the superior and middle conchae are portions of the ethmoid bone.
From Textbooks ● Jun. 19, 2013
These are located on both sides of the ethmoid bone, between the upper nasal cavity and medial orbit, just behind the superior nasal conchae.
From Textbooks ● Jun. 19, 2013
The nasal conchae are bony projections from the lateral walls of the nasal cavity.
From Textbooks ● Jun. 19, 2013
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.