plane

(noun) an aircraft that has a fixed wing and is powered by propellers or jets. Synonyms: airplane, aeroplane. Examples: "The flight was delayed due to trouble with the airplane."

(noun) (mathematics) an unbounded two-dimensional shape. Synonyms: sheet. Examples: "We will refer to the plane of the graph as the x-y plane." "Any line joining two points on a plane lies wholly on that plane."

(noun) a level of existence or development. Examples: "He lived on a worldly plane."

(noun) a power tool for smoothing or shaping wood. Synonyms: planer, planing machine.

(noun) a carpenter's hand tool with an adjustable blade for smoothing or shaping wood. Synonyms: carpenter's plane, woodworking plane. Examples: "The cabinetmaker used a plane for the finish work."

(verb) cut or remove with or as if with a plane. Synonyms: shave. Examples: "The machine shaved off fine layers from the piece of wood."

(verb) travel on the surface of water. Synonyms: skim.

(verb) make even or smooth, with or as with a carpenter's plane. Examples: "Plane the top of the door."

(adj) having a surface without slope, tilt in which no part is higher or lower than another. Synonyms: flat, level. Examples: "A flat desk." "Acres of level farmland." "A plane surface." "Skirts sewn with fine flat seams."