D defs.my
Entry 1 sense Webster, 1913

Petersham

/(pē"tẽr*shăm)/ · Pe·ter·sham · IPA /ˈpiːtəʃəm/
01 n. A rough, knotted woolen cloth, used chiefly for men's overcoats; also, a coat of that material.
  1. 1.
    A rough, knotted woolen cloth, used chiefly for men's overcoats; also, a coat of that material.