- 1[countable] a note played a half step lower than the note that is named. The written symbol is (♭) There are no sharps or flats in the key of C major. opposite sharp, natural tire
- 2[countable] a tire that has lost air, usually because of a hole We got a flat on the way home. We had to stop to change a flat.
- 3flats [plural] shoes with a very low heel a pair of flats picture at shoe land
- 4[countable, usually plural] an area of low flat land, especially near water salt flats see mudflat level part
- 5[singular] the flat of something the flat level part of something He beat on the door with the flat of his hand. the flat of a sword in theater
- 6[countable] (technology) a vertical section of scenery used on a theater stage
in music
Check pronunciation: flat