We found 15 dictionaries that define the word expansion bolt:

General (12 matching dictionaries)

1. expansion bolt: Merriam-Webster
2. expansion bolt: Oxford Learner's Dictionaries
3. expansion bolt: American Heritage Dictionary of the English Language
4. expansion bolt: Collins English Dictionary
5. expansion bolt: Vocabulary.com
6. expansion bolt: The Wordsmyth English Dictionary-Thesaurus
7. expansion bolt: Infoplease Dictionary
8. expansion bolt: Dictionary.com
9. expansion bolt: Rhymezone
10. expansion bolt: FreeDictionary.org
11. expansion bolt: Mnemonic Dictionary
12. expansion bolt: TheFreeDictionary.com

Computing (1 matching dictionary)

13. expansion bolt: Encyclopedia

Tech (2 matching dictionaries)

14. AUTOMOTIVE TERMS (No longer online)
15. Glossary of Fastener Terms (No longer online)

(Note: See expansion_bolts as well.)

Definitions from WordNet (expansion bolt) ▸ noun:  a bolt that has an attachment that expands as the bolt is driven into a surface ▸ Words similar to expansion bolt ▸ Usage examples for expansion bolt ▸ Idioms related to expansion bolt ▸ Wikipedia articles (New!) ▸ Words that often appear near expansion bolt ▸ Rhymes of expansion bolt ▸ Invented words related to expansion bolt