In anatomy, a shell-shaped structure.
A part of the body shaped like a shell.
Conchae, shell-shaped structure (e.g., the concha auriculae, in the ear).
Any part resembling a shell. For example, the concha auriculae is a depression on the outer surface of the pinna (auricle), which leads to the external auditory meatus of the outer ear.
The Latin term for “shell” and used to describe the external appearance of the ear. It can also refer to any structure that resembles a shell.