We found 20 dictionaries that define the word spare part:

General (15 matching dictionaries)

1. spare part: Longman Dictionary of Contemporary English
2. spare part: Merriam-Webster
3. spare part: Oxford Learner's Dictionaries
4. spare part: Collins English Dictionary
5. spare part: Vocabulary.com
6. spare part: Cambridge Advanced Learner's Dictionary
7. spare part: Wiktionary
8. spare part: Dictionary.com
9. Spare part: Wikipedia, the Free Encyclopedia
10. spare part: Rhymezone
11. spare part: FreeDictionary.org
12. spare part: Mnemonic Dictionary
13. spare part: TheFreeDictionary.com

Business (1 matching dictionary)

14. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

15. spare part: Encyclopedia

Slang (1 matching dictionary)

16. SPARE PART: Urban Dictionary

Sports (1 matching dictionary)

17. 2060 Shadow-Slang (No longer online)

Tech (1 matching dictionary)

18. AUTOMOTIVE TERMS (No longer online)

(Note: See spare_parts as well.)

Definitions from Wiktionary (spare part) ▸ noun:  A component of any manufactured goods, kept in reserve to replace one that fails; a spare. Similar: spare, spare tire, part, spare tyre, parcel, spare change, piece, sprocket, snippet, span, more... Opposite: essential part, necessary part, integral part, crucial part, vital part Phrases: spare part surgery, more... ▸ Words similar to spare part ▸ Usage examples for spare part ▸ Idioms related to spare part ▸ Wikipedia articles (New!) ▸ Words that often appear near spare part ▸ Rhymes of spare part ▸ Invented words related to spare part