Definitions for jerkinˈdʒɜr kɪn
Random House Webster's College Dictionary
a close-fitting jacket or short coat, usu. sleeveless, often of leather.
Origin of jerkin:
1510–20; orig. uncert.
a tight sleeveless and collarless jacket (often made of leather) worn by men in former times
A type of garment: a close-fitting collarless jacket, with or without sleeves.
a sleeveless jacket, usually leather; a long waistcoat.
a jacket or short coat; a close waistcoat
a male gyrfalcon