1. (Science: anatomy) The region back of the knee joint; the popliteal space; the hock.
2. The thigh of any animal; especially, the thigh of a hog cured by salting and smoking. A plentiful lack of wit, together with most weak ham. (Shak)
Origin: as. Ham; akin to D. Ham, dial. G. Hamme, OHG. Hamma. Perh. Named from the bend at the ham, and akin to E. Chamber. Cf. Gammon ham.