鳩きゅう首しゅ凝ぎょう議ぎ

noun, noun or participle which takes 'suru'

put heads together and confer; go into a huddle (over)

A yojijukugo meaning to gather and discuss something intently, often with heads close together. Used in formal or literary contexts.

• 委い員いん会かいは鳩きゅう首しゅ凝ぎょう議ぎして対たい策さくを練ねった。

  The committee put their heads together and worked out a plan.