hoof

Preferred label: 

Material derived from the horny covering that protects the end of the digits of certain animals such as horses or deer.

AAT

The Arts and Architecture Thesaurus Online, The Getty Research Institute.

Additional reference: 
http://vocab.getty.edu/aat/300211739
Hierarchy: 
Broader concept: 
Broader partitive concept: 
Top concept: 
materials
Getty AAT: