We found one dictionary that defines the word flat four engine:

General (1 matching dictionary)

1. Flat-four engine: Wikipedia, the Free Encyclopedia

▸ Words similar to flat four engine ▸ Usage examples for flat four engine ▸ Idioms related to flat four engine ▸ Wikipedia articles (New!) ▸ Words that often appear near flat four engine ▸ Rhymes of flat four engine ▸ Invented words related to flat four engine