We found 5 dictionaries that define the word plumber's friend:

General (4 matching dictionaries)

1. plumber's friend: Merriam-Webster
2. plumber's friend: Oxford Learner's Dictionaries
3. plumber's friend: Wiktionary
4. plumber's friend, plumbers friend: Dictionary.com

Business (1 matching dictionary)

5. Construction Term Glossary (No longer online)

Definitions from Wiktionary (plumber's friend) ▸ noun:  Synonym of plumber's helper ▸ Words similar to plumber's friend ▸ Usage examples for plumber's friend ▸ Idioms related to plumber's friend ▸ Wikipedia articles (New!) ▸ Words that often appear near plumber's friend ▸ Rhymes of plumber's friend ▸ Invented words related to plumber's friend