**The Collaborative International Dictionary of English v.0.48:**

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 v.0.48:**

Surveying \Sur*vey"ing\, n.
That branch of applied mathematics which teaches the art of
determining the area of any portion of the earth's surface,
the length and directions of the bounding lines, the contour
of the surface, etc., with an accurate delineation of the
whole on paper; the act or occupation of making surveys.
[1913 Webster]
Geodetic surveying, geodesy.
Maritime surveying, or Nautical surveying, that branch of
surveying which determines the forms of coasts and
harbors, the entrances of rivers, with the position of
islands, rocks, and shoals, the depth of water, etc.
Plane surveying. See under Plane, a.
Topographical surveying, that branch of surveying which
involves the process of ascertaining and representing upon
a plane surface the contour, physical features, etc., of
any portion of the surface of the earth.
[1913 Webster]