trackball

An electronic input device that consists of a rotatable ball housed in a casing, used to control the cursor and navigate images on a computer screen.

• 🌐جهاز إدخال إلكتروني يتكون من كرة دوّارة مثبتة في هيكل، يُستخدم لتحريك المؤشر والتنقل في الصور على شاشة الحاسوب.

1. Input device B2 formal IT

   An electronic device with a rotatable ball in a housing, used to control the cursor and move images on a computer screen.

   • The graphic designer prefers using a trackball over a mouse for precision work.
   • He replaced his mouse with a trackball to reduce wrist strain.
   • The trackball's ball can be rotated with the thumb or fingers to move the cursor.

   🌐جهاز إدخال

• trackballs plural form
• trackballs' possessive plural form
• trackball's possessive singular form