patella

Patella denotes:

a genus of limpets ( patella )
- in it the common limpet ( Patella vulgata )
the kneecap in vertebrates
a leg link of the jaw carriers, especially the arachnids, between femur and tibia, see patella (jaw carrier)
an antique vessel, see patella (vessel)
Patella, from Latin paten , sacrificial or host bowl, mostly made of silver
an Indian sailing ship type, see Patile

Others: