It means to stop the flow of blood, especially from a wound
... and you should 
call for immediate medical help, especially if there are... [DOC] [TLE] Cauterization - Wikipedia [PAR] The medical practice or technique of cauterization (or cauterisation, or cautery) is 
the burning of part of a body to remove or close off a part of it, which destroys 
some tissue in an attempt to mitigate bleeding and damage, ... Cauterization was 
used to stop heavy bleeding, especially during amputation.