linchpin

• اسم يُطلق على شخص أو شيء يُعدّ ضروريًا وأساسيًا لنجاح خطة أو نظام أو تنظيم، إذ يربط أجزاءه ويحفظ تماسكه. ويُستخدم أيضًا بمعنًى حرفي للدبوس أو المسمار الذي يمنع عجلة أو جزءًا آليًا من الانفلات.

A noun referring to a person or thing that is vital to an organization, plan, or system, holding everything together.

1. Essential elementC1formal

   A person or thing that is vital to the success or stability of an organization, system, or plan.

   العنصر الأساسي

   • She is the linchpin of the entire marketing department.
   • Trust is the linchpin of any successful relationship.
   • The new policy became the linchpin of the company's recovery strategy.

   المرادفاتanchorbackbonebulwarkbuttresscornerstonefoundationkeystonemainstaypillar

2. Mechanical partC2formal

   A pin passed through the end of an axle to keep a wheel in position.

   مسمار المحور

   • The mechanic replaced the worn linchpin on the cart.
   • Without the linchpin, the wheel would fall off.
   • He checked the linchpin to ensure the axle was secure.

   المرادفاتcottercotter pin