concha

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con·cha

 (kŏng′kə)
n. pl. con·chae (-kē′)
1. Anatomy Any of various structures, such as the external ear, that resemble a shell in shape. Also called conch.
2. Architecture The half dome over an apse.

[Late Latin, semidome, from Latin, mussel shell; see conch.]

con′chal (-kəl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

concha

(ˈkɒŋkə)
n, pl -chae (-kiː)
1. (Anatomy) any bodily organ or part resembling a shell in shape, such as the external ear
2. (Architecture) architect Also called: conch the half dome of an apse
ˈconchal adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

con•cha

(ˈkɒŋ kə)

n., pl. -chae (-kē).
1.
a. a shell-like structure, esp. the external ear.
b. any turbinate bone.
[1605–15; < New Latin, Latin: conch]
con′chal, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.concha - (anatomy) a structure that resembles a shell in shape
anatomical structure, bodily structure, body structure, complex body part, structure - a particular complex anatomical part of a living thing; "he has good bone structure"
nasal concha - one of several turbinate bones in the nasal cavity
anatomy, general anatomy - the branch of morphology that deals with the structure of animals
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