1. an open sore on the back of a horse caused by ill-fitting or badly adjusted saddle; [syn: saddle sore, gall]
2. sore on a horseback rider chafed by a saddle;
WordNet (r) 3.0 (2006):
saddle sore
n 1: an open sore on the back of a horse caused by ill-fitting
or badly adjusted saddle [syn: saddle sore, gall]
2: sore on a horseback rider chafed by a saddle