We found 6 dictionaries that define the word sparking plugs:

General (5 matching dictionaries)

1. sparking plugs: Merriam-Webster
2. sparking plugs: Collins English Dictionary
3. sparking plugs: Vocabulary.com
4. sparking plugs: Wiktionary
5. Sparking Plugs: TheFreeDictionary.com

Computing (1 matching dictionary)

6. Sparking Plugs: Encyclopedia

(Note: See sparking_plug as well.)

Definitions from Wiktionary (sparking plug) ▸ noun:  (dated) spark plug ▸ Also see sparking_plug ▸ Words similar to sparking plugs ▸ Usage examples for sparking plugs ▸ Idioms related to sparking plugs ▸ Wikipedia articles (New!) ▸ Words that often appear near sparking plugs ▸ Rhymes of sparking plugs ▸ Invented words related to sparking plugs