SHEEPSKIN
diploma, sheepskin
(noun) a document certifying the successful completion of a course of study
parchment, sheepskin, lambskin
(noun) skin of a sheep or goat prepared for writing on
sheepskin, fleece
(noun) tanned skin of a sheep with the fleece left on; used for clothing
Source: WordNet® 3.1
Etymology
Noun
sheepskin (countable and uncountable, plural sheepskins)
(uncountable) The skin of a sheep, especially when used to make parchment or in bookbinding.
(US, countable) A diploma.
(countable or uncountable) The tanned skin of a sheep with the fleece left on, especially when used for clothing, rugs, etc.
Hyponyms
• skin
Source: Wiktionary
Sheep"skin`, n.
1. The skin of a sheep; or, leather prepared from it.
2. A diploma; -- so called because usually written or printed on
parchment prepared from the skin of the sheep. [College Cant]
Source: Webster’s Unabridged Dictionary 1913 Edition