Search and compare thousands of words and phrases in British Sign Language (BSL). The largest collection online.
How to sign: the material that forms the hard outer covering of many animals
Categories: animal material
Within this category: mother-of-pearl
How to sign: hard outer covering or case of certain organisms such as arthropods and turtles
Similiar / Same: carapace, cuticle
Categories: exoskeleton
Within this category: cuticula