From Longman Dictionary of Contemporary Englishpincer movementˈpincer ˌmovement noun [countable] PMa military attack in which two groups of soldiers come from opposite directions in order to trap the enemy between them
Examples from the Corpus
pincer movement• Those at either end of the line usually advance rather faster than those in the centre so that a pincer movement develops.• It is a favourite military tactic ... the pincer movement!• They had thus executed a vast pincer movement, and won the first round. 