flatflat3 noun [countable] 
1informal a tire that does not have enough air inside it: 
The car has a flat.2eng. lang. arts a musical note that is one half step lower than a particular note3flats [plural] a type of women’s shoes with very low heels
1informal a tire that does not have enough air inside it: The car has a flat.2eng. lang. arts a musical note that is one half step lower than a particular note3flats [plural] a type of women’s shoes with very low heels
