plane1 /plān/ noun- A surface of which it is true that, if any two points on the surface be taken, the straight line joining them will lie entirely on the surface (geometry)
- Any flat or level material surface
- One of the thin horizontal structures used as wings and tail to sustain or control aeroplanes in flight
- Short for aeroplane or airplane (also 'plane)
- An act of planing or soaring
- In mines, a main road for the transport of coal or other mineral
- Any grade of life or of development or level of thought or existence
adjective- Having the character of a plane
- Relating to, lying in, or confined to a plane
- Level
- Smooth
transitive verb To make plane or smooth (see also plane2) intransitive verb- To travel by aeroplane
- To soar
- To volplane
- (of a boat) to skim across the surface of the water
ORIGIN: L plānum a flat surface, neuter of plānus flat; cf plain1 and plane2 planar /plānˈər/ adjective - Relating to a plane
- Lying in a single plane, flat
planation /plə-nāˈshən/ noun Making level planer /plānˈər/ noun - Someone who levels or makes plane
- A smoothing instrument (see also plane2)
- A wooden block beaten with a mallet to level a forme of type (printing)
planar diode noun One with plane parallel electrodes plane chart noun A chart used in plane sailing, the lines of longitude and latitude being projected onto a plane surface, so being represented parallel planeˈ-polarized or planeˈ-polarised adjective (of light) consisting of vibrations in one plane only plane sailing noun - The calculation of a ship's place in its course as if the earth were flat instead of spherical
- See also plain sailing under plain1
plane table noun - An instrument used in field-mapping, with a sighting-telescope for observing objects, whose angles may be noted on a paper on the table of the instrument
- An inclined table on which ore is dressed
transitive verb To survey with a plane table planing bottom noun (aerodynamics) The part of the undersurface of a flying-boat hull that provides hydrodynamic lift plane2 /plān/ noun- A carpenter's tool for producing a smooth surface by paring off shavings
- Any similar smoothing or paring tool or machine
transitive verb To smooth or remove with a plane (see also plane1) ORIGIN: Fr plane, from LL plāna, from plānāre to smooth plāˈner noun - Someone who uses a plane
- A tool or machine for planing
plāˈning-machine noun A machine for planing wood or metals |