Shin n.
1. The front part of the leg below the knee; the front edge of the shin bone; the lower part of the leg; the shank. “On his shin.”
2. Railbroad A fish plate for rails.
Shin bone Anat., the tibia.
Shin leaf Bot., a perennial ericaceous herb (Pyrola elliptica) with a cluster of radical leaves and a raceme of greenish white flowers.