Definition of countering:
(n) :
One who counts.
(n) :
A reckoner; someone who collects data by counting; an enumerator.
(n) :
An object (now especially a small disc) used in counting or keeping count, or as a marker in games, etc.
(n) :
A telltale; a contrivance attached to an engine, printing press, or other machine, for the purpose of counting the revolutions or the pulsations.
(n) :
(programming) A variable, memory location, etc. whose contents are incremented to keep a count.
(n) :
(Internet) A hit counter.