Plane sailing
Plane Plane, a. [L. planus: cf. F. plan. See {Plan}, a.] Without elevations or depressions; even; level; flat; lying in, or constituting, a plane; as, a plane surface. [1913 Webster]

Note: In science, this word (instead of plain) is almost exclusively used to designate a flat or level surface. [1913 Webster]

{Plane angle}, the angle included between two straight lines in a plane.

{Plane chart}, {Plane curve}. See under {Chart} and {Curve}.

{Plane figure}, a figure all points of which lie in the same plane. If bounded by straight lines it is a rectilinear plane figure, if by curved lines it is a curvilinear plane figure.

{Plane geometry}, that part of geometry which treats of the relations and properties of plane figures.

{Plane problem}, a problem which can be solved geometrically by the aid of the right line and circle only.

{Plane sailing} (Naut.), the method of computing a ship's place and course on the supposition that the earth's surface is a plane.

{Plane scale} (Naut.), a scale for the use of navigators, on which are graduated chords, sines, tangents, secants, rhumbs, geographical miles, etc.

{Plane surveying}, surveying in which the curvature of the earth is disregarded; ordinary field and topographical surveying of tracts of moderate extent.

{Plane table}, an instrument used for plotting the lines of a survey on paper in the field.

{Plane trigonometry}, the branch of trigonometry in which its principles are applied to plane triangles. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

### Look at other dictionaries:

• Plane sailing — (also spelt plain sailing) is an approximate method of navigation over small ranges of latitude and longitude.Both spellings ( plane and plain ) have been in use for several centuries, [ A Token for Ship Boys, or Plain Sailing made more plain… …   Wikipedia

• plane sailing — noun Etymology: plane (V) 1. : the navigation or conducting of a ship by neglecting the earth s curvature and considering the earth or a part of it as a plane 2. : plain sailing 2 …   Useful english dictionary

• plane sailing — Navig. sailing on a course plotted without reference to the curvature of the earth. Cf. plain sailing, spherical sailing. [1690 1700] * * * …   Universalium

• plane sailing — /ˌpleɪn ˈseɪlɪŋ/ (say .playn sayling) noun sailing on a course plotted by utilising Pythagoras s theorem, effective for distances up to 600 nautical miles over which the curvature of the earth s surface may be considered negligible. Compare plain …   Australian English dictionary

• plane sailing — A method of navigation which ignores the earth s curvature, treating its surface as a plane. Colloquially it indicates travel or procedure without difficulty or obstruction …   Dictionary of automotive terms

• plane sailing — noun a) A technique for navigation using planar geometry. b) A technique for navigation using the assumption the Earth is flat …   Wiktionary

• Plane — Plane, a. [L. planus: cf. F. plan. See {Plan}, a.] Without elevations or depressions; even; level; flat; lying in, or constituting, a plane; as, a plane surface. [1913 Webster] Note: In science, this word (instead of plain) is almost exclusively… …   The Collaborative International Dictionary of English

• Plane angle — Plane Plane, a. [L. planus: cf. F. plan. See {Plan}, a.] Without elevations or depressions; even; level; flat; lying in, or constituting, a plane; as, a plane surface. [1913 Webster] Note: In science, this word (instead of plain) is almost… …   The Collaborative International Dictionary of English

• Plane chart — Plane Plane, a. [L. planus: cf. F. plan. See {Plan}, a.] Without elevations or depressions; even; level; flat; lying in, or constituting, a plane; as, a plane surface. [1913 Webster] Note: In science, this word (instead of plain) is almost… …   The Collaborative International Dictionary of English

• Plane curve — Plane Plane, a. [L. planus: cf. F. plan. See {Plan}, a.] Without elevations or depressions; even; level; flat; lying in, or constituting, a plane; as, a plane surface. [1913 Webster] Note: In science, this word (instead of plain) is almost… …   The Collaborative International Dictionary of English