We found one dictionary that defines the word non-defining relative clauses:

Art (1 matching dictionary)

1. Non-defining Relative Clauses: Glossary of English Grammar Terms

▸ Words similar to non-defining relative clauses ▸ Usage examples for non-defining relative clauses ▸ Idioms related to non-defining relative clauses ▸ Wikipedia articles (New!) ▸ Words that often appear near non-defining relative clauses ▸ Rhymes of non-defining relative clauses ▸ Invented words related to non-defining relative clauses