gussettum Save DMLBS gussettum [OF gousset, ME gusset] , wedge of chain-mail fitting under armpit. 1306 guscettum lorice Cal. Just. Ir. 251; 1322 de ‥ v corsett’ ferr’, j pari gussetorum ferr’, vij bacinett’ MinAc 1145/21 m. 34.