We found 7 dictionaries that define the word on/off switch:

General (6 matching dictionaries)

1. on/off switch: Vocabulary.com
2. on/off switch: Dictionary.com
3. on/off switch: Rhymezone
4. on/off switch: FreeDictionary.org
5. on/off switch: Mnemonic Dictionary
6. on/off switch: TheFreeDictionary.com

Computing (1 matching dictionary)

7. on/off switch: Encyclopedia

Definitions from WordNet (on/off switch) ▸ noun:  a hinged switch that can assume either of two positions ▸ Words similar to on/off switch ▸ Usage examples for on/off switch ▸ Idioms related to on/off switch ▸ Wikipedia articles (New!) ▸ Words that often appear near on/off switch ▸ Rhymes of on/off switch ▸ Invented words related to on/off switch