shell

Shell designates:

in biology a class of molluscs, see mussels
a conch shell
colloquially a snail shell
Shell (heraldic animal)
Shell-shaped ornamentation, see Rocaille
in anatomy the auricle
Orifice and earpiece on a telephone receiver
Shell-shaped building as a music pavilion, "Kurmuschel", see concert shell
as a short form for "wash shell" (especially in Austria) a wash basin
as a short form for "Klosettmuschel" (especially in Austria) the bowl of a toilet

Muschel is the family name of the following people:

See also:

Wiktionary: Shell - explanations of meanings, word origins, synonyms, translations