(v): attack in speech or writing
(v): treat with boiling water
(v): subject to a process or treatment, with the aim of readying for some purpose, improving, or remedying a condition
(v): heat to the boiling point
(v): make hot or hotter
(v): burn with a hot liquid or steam
(v): burn with heat, fire, or radiation
(n): a burn cause by hot liquid or steam
(n): an injury caused by exposure to heat or chemicals or radiation
(n): the act of burning with steam or hot water
(n): damage inflicted by fire
I'd say the burning with hot water thing springs more readily to mind than scalding criticism.
No matter what it means, this word actually sounds painful.