cautery noun. 
['kɔ:t(ǝ)ri] LME.[Latin cauterium from Greek kautērion branding-iron, from kaiein to burn.]1.  A metal instrument or caustic substance for searing tissue. 
LME.actual cautery arch. a hot iron for cauterizing. 
potential cautery arch. a caustic substance used for cauterizing.
2.  The action of cauterizing. 
LME.fig.: 
■ W. Owen Their senses in some scorching cautery of battle Now long since ironed.  [TahlilGaran] English Dictionary ▲