We found one dictionary that defines the word professional organisations:

General (1 matching dictionary)

1. professional organisations: Vocabulary.com

(Note: See professional_organisation as well.)

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