A flat surface on which a straight line joining any two points on it would wholly lie
A tool consisting of a block with a projecting steel blade, used to smooth a wooden or other surface by paring shavings from it
A tall spreading tree of the northern hemisphere, with maple-like leaves and bark which peels in uneven patches
a horizontal plane
the plane crashed close to the airport
The plane of the electric field in a rectangular waveguide; frequently attributive, especially designating a T-shaped junction of two rectangular waveguides in which one is joined across the width of the other (so that the stem and crosspiece of the T are in different planes).
The plane of the magnetic field in a rectangular waveguide; frequently attributive, especially designating a T-shaped junction of two rectangular waveguides in which one is joined at the side of the other (so that the stem and crosspiece of the T are in the same plane).
A large, flat expanse of ice.
An aeroplane having its undercarriage fitted with skis for landing on snow or ice
A military aircraft engaged in secret surveillance activity
A small tree, Ochna arborea (family Ochnaceae), of southern and eastern parts of South Africa, having smooth mottled bark and bright yellow flowers; (also) the hard, heavy wood of this tree, which is reddish in colour and used for fencing, tool handles, etc.; also called rooihout.
The flat surface of a sundial on which the shadow of the gnomon is cast.
The realm of the living, as opposed to that of the spirits.
The single plane at infinity that is regarded as containing all the ideal lines of a space.
A plane with an oblique surface for making mitre joints.
The sycamore, Acer pseudoplatanus; in full mock plane tree.
Mechanics and Geometry the plane containing all the null lines of a given torque that pass through a given point.
A plane for fine smoothing and truing, or for cutting a bevel or rebate at the edge of a board.
= paper aeroplane.
A plane in which the changing state of a system over time may be plotted with reference to two variables; a two-dimensional phase space.
A chart or map on which the earth is represented as a plane surface, with the meridians and parallels of latitude represented by equidistant straight lines.
An attachment to a plane which may be adjusted to alter the cutting angle.
The cutting blade of a plane.
A person who makes planes.
The wooden or metal block forming the body of a plane.
The time of departure of an aircraft on a scheduled flight.
Electricity a small flat conductor with an insulating handle that is used to measure the electrical charge of a body by picking up the charge when placed in contact with the body and transferring it to a measuring instrument.
A flint implement used for scraping or planing wood.
= reeding plane.
A pilotless aircraft; specifically a flying bomb.
The plane perpendicular to a roll axis.
A plane for making rule-joints on table flaps, drop leaves, etc.
A plane showing relationships in time; a level of existence defined in terms of time; (Geology) a notional plane separating strata of different geological periods or joining fossils of the same age.
A carpenter’s plane with a blade set at an acute angle, used especially for planing across the end grain of wood
The flat surface of rock along which a geological fault occurs
The plane through the focus perpendicular to the axis of a mirror or lens
A medium-sized plane for use in rough joinery
A surveying instrument used for direct plotting in the field, with a circular drawing board and pivoted alidade
(In various forms of mysticism) a realm of immaterial existence, especially one posited as an ethereal or eternal counterpart to physical or bodily reality; (Theosophy) the plane of existence immediately beyond the physical.
A plane with a skewed cutting iron, typically one which extends to one edge of the stock.
An infinite two-dimensional space representing the set of complex numbers, especially one in which Cartesian coordinates represent the real and imaginary parts of the complex numbers
The plane that divides a body, organ, etc., into (roughly) symmetrical halves; the sagittal plane.
An aircraft which launches, controls, or tends another aircraft.
The plane of the parting line of a pattern or casting, or of a forging die.
The practice of determining a ship’s position on the theory that it is moving on a plane
A surveyor who uses a plane table.
The use of a plane table in surveying; surveying by means of a plane table.