con·cha
| \ ˈkäŋ-kə
\
plural conchae\ ˈkäŋ-ˌkē
, -ˌkī \
1a
: the plain semidome of an apse
2
: something shaped like a shell
especially
: the largest and deepest concavity of the external ear
con·cha
| \ ˈkän-chə
\
variants:
or less commonly concho \ ˈkän-(ˌ)chō
\
: an ornamental disk (as on clothing or tack) of American Indian origin featuring a shell or flower design