/pee"teuhr sheuhm, -sham'/ , n.
1. a heavy woolen cloth for men's overcoats and other bulky outerwear.
2. a coat or jacket made of this cloth.
3. a corded material for hatbands, the insides of belts, etc.
4. a narrow belting for the tops of skirts.
[ 1805-15; named after Viscount Petersham (1780-1851) ]