Trackball definition

trăkbôl
Frequency:
A device, typically built into a computer console or mouse, containing a recessed ball that can be freely rotated by hand in any direction so as to move or position the cursor.
noun
2
0
A ball mounted in a stationary housing and rotated to control a pointer on a computer screen.
noun
1
1
(computing) A pointing device consisting of a ball housed in a socket.
noun
0
0
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Other Word Forms

Noun

Singular:
trackball
Plural:
trackballs

Origin of trackball