Yes, you can use Flat directly in your web browser without downloading or installing software. It works on any device and lets you create, edit, and share music notation entirely online.

level, flat, plane, even, smooth mean having a surface without bends, curves, or irregularities. level applies to a horizontal surface that lies on a line parallel with the horizon. flat applies to a surface …

FLAT definition: 1. level and smooth, with no curved, high, or hollow parts: 2. level but having little or no…. Learn more.

Flat land is level, with no high hills or other raised parts. To the north lie the flat and fertile farmlands of Nebraska.

1. a. Level with the ground; horizontally. b. On or up against a flat surface; at full length. 2. So as to be flat. 3. a. Directly; completely: went flat against the rules; flat broke. b. Exactly; precisely: arrived in …

Flat generally refers to a surface or object that is level, smooth, and has no curvature or bumps. It can also describe a two-dimensional figure or a geographical area that is level without any significant …

having little depth or thickness; shallow: a flat dish (postpositive) often followed by against: having a surface or side in complete contact with another surface: flat against the wall

Flat definition: Free of qualification; absolute.

having a surface that is without marked projections or depressions. a broad, flat face. lying horizontally and at full length, as a person; prostrate. He was flat on the canvas after the knockdown. lying wholly …

Feb 21, 2026 · The noun is from Middle English flat (“level piece of ground, flat edge of a weapon”), from the adjective. The algebraic sense was coined by Serre in a 1956 paper, originally as French plat.