We found 2 dictionaries that define the word professional organizations:

General (2 matching dictionaries)

1. professional organizations: Vocabulary.com
2. Professional organizations: Wikipedia, the Free Encyclopedia

(Note: See professional_organization as well.)

Definitions from WordNet (professional organization) ▸ noun:  an organization of and for professional people ▸ Also see professional_organization ▸ Words similar to professional organizations ▸ Usage examples for professional organizations ▸ Idioms related to professional organizations ▸ Wikipedia articles (New!) ▸ Words that often appear near professional organizations ▸ Rhymes of professional organizations ▸ Invented words related to professional organizations