trackball

Valid in Scrabble

Scrabble points
17
Words With Friends
21
Letters
9

Definition of trackball

1 sense · 1 part of speech · etymology included

noun

  1. A pointing device consisting of a ball housed in a socket

Definitions from Wiktionary, CC BY-SA.

Etymology

From track + ball.

Hooks

1 extension · 1 back

A single letter you can add to trackball to make another valid word.

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