We found 3 dictionaries that define the word flat-hats:

General (3 matching dictionaries)

1. flat-hats: Merriam-Webster
2. flat-hats: Dictionary.com
3. flat-hats: TheFreeDictionary.com

(Note: See flat-hat as well.)

Definitions from WordNet (flat-hat) ▸ verb:  fly very close to the ground ▸ Also see flat-hat ▸ Words similar to flat-hats ▸ Usage examples for flat-hats ▸ Idioms related to flat-hats ▸ Wikipedia articles (New!) ▸ Words that often appear near flat-hats ▸ Rhymes of flat-hats ▸ Invented words related to flat-hats