noun ·2 syllables ·Rare ·Advanced level

Definitions

Noun

1. 1
   A pointing device consisting of a ball housed in a socket
2. 2
   an electronic device consisting of a rotatable ball in a housing; used to position the cursor and move images on a computer screen wordnet

Etymology

From track + ball.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.