We found one dictionary that defines the word slate roofs:

General (1 matching dictionary)

1. slate roofs: Vocabulary.com

(Note: See slate_roof as well.)

Definitions from WordNet (slate roof) ▸ noun:  a roof covered with slate ▸ Also see slate_roof ▸ Words similar to slate roofs ▸ Usage examples for slate roofs ▸ Idioms related to slate roofs ▸ Wikipedia articles (New!) ▸ Words that often appear near slate roofs ▸ Rhymes of slate roofs ▸ Invented words related to slate roofs