Meanings
nounrotary switch (plural rotary switches)
plural rotary switches
- businessA switch that is operated by turning a knob.
A close-up of the very compact desk unit for control of the East Finchley programme machine from Leicester Square; the rotary switches at the top are used to set up the train number of any service to be added or cancelled.
1961 October, “More programme machines for L.T. Northern line”, in Trains Illustrated, page 625, photo caption
Cite this entry
APA
rotary switch. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/rotary%20switch
MLA
“rotary switch.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rotary%20switch. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “rotary switch,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/rotary%20switch.
Source: rotary switch on Wiktionary, CC BY-SA 4.0.