TRACKBALL


Meaning of TRACKBALL in English

ˈ ̷ ̷ ˌ ̷ ̷ noun

Etymology: track (I) + ball (I)

: a ball mounted usually in a computer console so that only a small portion extends from the surrounding surface and rotated to control the movement of a cursor on a display

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.