pincers movement

or pincer movement

noun
  1. a military maneuver in which both flanks of an enemy force are attacked with the aim of attaining complete encirclement.

Origin of pincers movement

First recorded in 1935–40
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for pincer movement

pincer movement

noun
  1. a military tactical movement in which two columns of an army follow a curved route towards each other with the aim of isolating and surrounding an enemyAlso called: envelopment
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012