concha1

[kong-kuh] /ˈkɒŋ kə/
noun, plural conchae
[kong-kee] /ˈkɒŋ ki/ (Show IPA)
1.
Anatomy.
  1. a shell-like structure, especially the external ear.
  2. any turbinate bone, especially in the nose.
2.
Architecture, conch (def 5).
Origin
1605-15; < Neo-Latin, Latin: conch
Related forms
conchal, adjective

concha2

[kong-kuh] /ˈkɒŋ kə/
noun, plural conchae
[kong-kee] /ˈkɒŋ ki/ (Show IPA)
1.
a disk, traditionally of hammered silver and resembling a shell or flower, used as decoration on belts, harness, etc.
Origin
< American Spanish, Spanish < Late Latin conchula, diminutive of Latin concha concha1, conch
British Dictionary definitions for concha

concha

/ˈkɒŋkə/
noun (pl) -chae (-kiː)
1.
any bodily organ or part resembling a shell in shape, such as the external ear
2.
(architect) Also called conch. the half dome of an apse
Derived Forms
conchal, adjective
concha in Medicine

concha con·cha (kŏng'kə)
n. pl. con·chae (-kē')
Any of various structures, such as the external ear, that resemble a shell in shape.

con'chal (-kəl) adj.