Bible Dictionary
SKIN
Skin is the outer covering of the human body or an animal. In biblical times skins were used for clothing, tabernacle coverings, sandals, and wineskins; the word is also used figuratively for bodily suffering and narrow escape.
Biblical Usage
Skin is used in descriptions of clothing, prophetic or ascetic garments, the tabernacle, and wineskins. Figuratively, “skin for skin” expresses the desire to preserve life, and escape “by the skin of the teeth” describes a narrow escape.