bur

A noun referring to a seed vessel or flower head that has hooks or prickles, or a small rotary cutting tool used in dentistry or surgery.

• 🌐اسم يدل على كيس البذور أو النورة النباتية ذات الخطاطيف أو الأشواك، أو أداة قطع دوارة صغيرة تُستخدم في طب الأسنان أو الجراحة.

1. Prickly seed vessel B2 formal

   A seed vessel or dry fruit that has hooks or prickles, allowing it to cling to animal fur or clothing for dispersal.

   • The dog came back from the walk covered in burs.
   • She carefully removed the bur from her sweater.
   • Burs are an adaptation for seed dispersal by animals.

   🌐ثمرة شائكة

   المرادفات: burr

2. Dental or surgical tool B2 formal medical

   A small rotary cutting bit used in dentistry or surgery for drilling, shaping, or removing material.

   • The dentist used a bur to remove the decayed part of the tooth.
   • Surgeons employ a specialized bur for precise bone shaping.
   • The dental bur spins at a very high speed.

   🌐مِثقَب أسنان دوّار

   المرادفات: burr

• burs plural form
• burs' possessive plural form
• bur's possessive singular form

An archaic or obsolete verb meaning to lodge or take shelter; also a variant of 'burr' meaning to speak with a rough accent or to make a whirring sound.

• 🌐فعل قديم أو مهجور بمعنى الاحتماء أو الالتجاء إلى ملجأ؛ كما يُستعمل بمعنى التحدث بلكنة غليظة أو إصدار طنين.

1. Remove burrs B2 formal

   To remove the rough, prickly seed cases or sharp edges from a surface or material.

   • He carefully burred the metal edge to make it smooth.
   • The gardener burred the plant to prevent the seeds from sticking.
   • She used a file to bur the rough spots on the wood.

   🌐إزالة النتوءات

• burred past participle
• burred past simple
• burring present participle
• burs third person singular