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conch

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conch

[kongk, konch]
–noun, plural conchs [kongks] , con⋅ches [kon-chiz] .
1. the spiral shell of a gastropod, often used as a horn.
2. any of various marine gastropods.
3. the fabled shell trumpet of the Tritons.
4. (often initial capital letter) Slang: Sometimes Disparaging.
a. a native or inhabitant of the Florida Keys.
b. a Bahamian.
5. Also, concha. Architecture. a smooth concave surface consisting of or resembling the interior of a semidome, as the surface of a vault, a trompe, or the head of a niche.

Origin:
1350–1400; ME < L concha < Gk kónchē mussel, shell


conch⋅ate [kong-keyt, kon-cheyt] , conched, adjective

conch-

var. of concho- before a vowel.

concho-

a combining form meaning “shell; shell-like structure”, used in the formation of compound words: conchology.
Also, conchi-; especially before a vowel, conch-.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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conch   (kŏngk, kŏnch)   
n.   pl. conchs (kŏngks) or conch·es (kŏn'chĭz)
  1. Any of various tropical marine gastropod mollusks, especially of the genera Strombus and Cassis, having large, often brightly colored spiral shells and edible flesh.

  2. The shell of one of these gastropod mollusks, used as an ornament, in making cameos, or as a horn.

  3. Anatomy See concha.


[Middle English conche, from Old French, from Latin concha, mussel, from Greek konkhē.]
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.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

conch 
1410, from L. concha "shellfish, mollusk," from Gk. konkhe "mussel, shell," from PIE base *konkho-. The name for natives of Florida Keys since at least 1833.
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: conch
Pronunciation: 'kä[ng]k, 'känch, 'ko[ng]k
Function: noun
Inflected Form: plural conchs /'kä[ng]ks,'ko[ng]ks/ or conch·es /'kän-ch&z/
: CONCHA 1
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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