sheepskin

The skin of a sheep, especially an adult sheep, and especially when used to make parchment or in bookbinding.

Near-synonym: lambskin

I confess to having felt a prejudice against sleeping in a bag, more especially a sheepskin bag, which would probably have a muttony odor; but it was pronounced to be the warmest and least cumbersome form of bedding we could have […]

The skin of a sheep, especially an adult sheep, and especially when used to make parchment or in bookbinding.

A diploma, especially the one representing a university or college degree.

[…] he took his sheepskin with a bow and a gesture that extinguished several of his companions;