sheepskin
(noun)
noun
1. tanned skin of a sheep with the fleece left on; used for clothing
Similar word(s): fleece
Definition categories: substance, leather
2. skin of a sheep or goat prepared for writing on
Similar word(s): lambskin, parchment
Definition categories: substance
3. a document certifying the successful completion of a course of study
Similar word(s): diploma
Definition categories: communication, certificate, certification, credential, credentials