trenail

• وتد خشبي يُستخدم في صناعة السفن لتثبيت ألواح الخشب أو جذوعها معًا؛ ينتفخ الوتد عند تعرضه للماء فيثبّت القطع بإحكام.

A wooden peg used in shipbuilding to fasten timbers; water causes the peg to swell and hold the timbers securely in place.

1. Wooden shipbuilding fastenerC2formal

   A cylindrical wooden peg used to fasten timbers together in shipbuilding and heavy construction; it swells when wet, creating a tight, secure joint.

   مسمار خشبي للسفن

   • The shipwright drove a trenail through the overlapping planks to secure the hull.
   • Traditional wooden ships were held together by hundreds of trenails.
   • The trenail swelled after the ship was launched, making the joint watertight.

   المرادفاتtreenailtrunnel