COUNTERPUNCH
counterpunch, parry, counter
(noun) a return punch (especially by a boxer)
Source: WordNet® 3.1
Etymology
Noun
counterpunch (plural counterpunches)
A punch delivered in response to a previous punch by somebody else, such as an opponent in a boxing match.
(printing, historical) A punch used in the cutting of other punches, often used to create the negative space in or around a glyph.
Synonyms
• (punch in response to opponent's punch): counterblow, return blow, retaliatory blow
Verb
counterpunch (third-person singular simple present counterpunches, present participle counterpunching, simple past and past participle counterpunched)
(boxing) To deliver a punch designed to exploit an opponent's momentary defensive weakness caused by a punch thrown by the opponent.
To deliver a competitive response to an opponent designed to exploit a weakness created by the opponent's offensive efforts.
Source: Wiktionary