Associations to the word «Trackball»

Wiktionary

TRACKBALL, noun. (computing) A pointing device consisting of a ball housed in a socket

Dictionary definition

TRACKBALL, noun. An electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen; "a trackball is essentially an upside-down mouse".

Wise words

Words are but symbols for the relations of things to one another and to us; nowhere do they touch upon absolute truth.
Friedrich Nietzsche