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scroll wheel

noun — 2 senses

scroll wheel

noun
1

Computing, Engineering, Mathematics, Natural sciences, Physical sciences, Sciences A hard plastic or rubbery disc on a computer mouse, used for scrolling.

2

Engineering, Natural sciences, Physical sciences A cog wheel in the form of a scroll.

Synonyms
mouse wheel

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.