concertina

• اسم يدل على آلة موسيقية محمولة ذات لسان حر تشبه الأكورديون، أو على نوع من الأسلاك الشائكة الحلزونية المستخدمة كحاجز دفاعي.

A noun referring to either a portable free-reed musical instrument similar to an accordion, or a type of coiled barbed wire used as a defensive obstacle.

1. Barbed wire obstacleB2formal

   A type of coiled barbed wire used as a defensive barrier or obstacle, often in military or security contexts.

   حاجز الأسلاك الشائكة الحلزونية

   • The soldiers set up concertina wire around the perimeter.
   • Concertina wire is often used to secure borders.
   • The fence was topped with coils of concertina wire.

   المرادفاتbarbed wire

2. B1formal

   A free-reed musical instrument, similar to an accordion, that is played by squeezing the ends together to force air through the reeds.

   كونسرتينا

   • She played a beautiful tune on the concertina.
   • The folk musician carried a concertina to the festival.
   • He learned to play the concertina from his grandfather.

• فعل يعني طي شيء أو ضغطه أو تسطيحه على هيئة منفاخ الأكورديون، ويُستخدم غالبًا لوصف المركبات أو الأشياء التي تنطبق وتتطوى معًا في حادث.

A verb meaning to fold, collapse, or compress something in a manner resembling the bellows of a concertina, often used to describe vehicles or objects being crushed together in an accident.

1. Collapse or compressC1informal

   To fold, collapse, or compress into a series of folds, resembling the bellows of a concertina.

   الانطواء والتجعّد

   • The car's front end concertinaed on impact with the wall.
   • The metal tube concertinaed under the immense pressure.
   • The accordion-like structure concertinaed when the weight was applied.

   المرادفاتaccordioncollapsecompresscrumplefoldpleat

   الأضدادexpandextendstretchunfold