Shammy \Sham"my\, n. [F. chamious a chamois, shammy leather. See Chamois.]

1. (Zo["o]l.) The chamois.

2. A soft, pliant leather, prepared originally from the skin of the chamois, but now made also from the skin of the sheep, goat, kid, deer, and calf. See Shamoying. [Written also chamois, shamoy, and shamois.]

Source: Webster's Revised Unabridged Dictionary (1913)