Correct

方阵

/ fāngzhèn /
Strokes

Definition

square-shaped formation (military)/phalanx/(math.) matrix

Example

As a Noun

square array; (square) matrix; phalanx

1
Pái
chéng
fāngzhèn
方阵
shìbīng
士兵

soldiers drawn up in squares

2
Kōngxīn
空心
  
/
shíxīn
实心
fāngzhèn
方阵

hollow/solid square

3
fāng
敌方
zhèn

smash the enemy square

4
shè
布设
fāngzhèn
方阵

form a square/phalanx