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BNC: 2000 COCA: 1150

plane

1 of 6

noun (1)

ˈplān How to pronounce plane (audio)
1
a
[by shortening] : airplane
b
: one of the main supporting surfaces of an airplane
2
a
: a surface in which if any two points are chosen a straight line joining them lies wholly in that surface
b
: a flat or level surface
3
: a level of existence, consciousness, or development
on the intellectual plane

plane

2 of 6

verb (1)

planed; planing

transitive verb

1
a
: to make smooth or even : level
b
: to make smooth or even by use of a plane
2
: to remove by or as if by planing
—often used with away or off

intransitive verb

1
: to work with a plane
2
: to do the work of a plane
planer noun

plane

3 of 6

noun (2)

: a tool for smoothing or shaping a wood surface

Illustration of plane

Illustration of plane
  • 3plane

plane

4 of 6

noun (3)

: any of a genus (Platanus of the family Platanaceae, the plane-tree family) of chiefly deciduous trees with large palmately lobed leaves, flowers in globose heads, and usually scaling bark

called also buttonwood, plane tree, sycamore

plane

5 of 6

verb (2)

planed; planing

intransitive verb

1
a
: to fly while keeping the wings motionless
b
: to skim across the surface of the water
2
: to travel by airplane

plane

6 of 6

adjective

1
: having no elevations or depressions : flat
2
a
: of, relating to, or dealing with geometric planes
b
: lying in a plane
a plane curve

Synonyms

Noun (1)

Verb (1)

Verb (2)

Adjective

Choose the Right Synonym for plane

level, flat, plane, even, smooth mean having a surface without bends, curves, or irregularities.

level applies to a horizontal surface that lies on a line parallel with the horizon.

the vast prairies are nearly level

flat applies to a surface devoid of noticeable curvatures, prominences, or depressions.

the work surface must be flat

plane applies to any real or imaginary flat surface in which a straight line between any two points on it lies wholly within that surface.

the plane sides of a crystal

even applies to a surface that is noticeably flat or level or to a line that is observably straight.

trim the hedge so it is even

smooth applies especially to a polished surface free of irregularities.

a smooth skating rink

Example Sentences

Adjective you can do these tracings on any plane surface

Word History

Etymology

Noun (1)

Latin planum, from neuter of planus level

Verb (1)

Middle English, from Anglo-French planer, from Late Latin planare, from Latin planus level — more at floor

Noun (2)

Middle English, from Anglo-French, from Late Latin plana, from planare

Noun (3)

Middle English, from Anglo-French, from Latin platanus, from Greek platanos; probably akin to Greek platys broad — more at place

Verb (2)

Middle English, from Middle French planer, from plain level, plain

Adjective

Latin planus

First Known Use

Noun (1)

1604, in the meaning defined at sense 2a

Verb (1)

14th century, in the meaning defined at transitive sense 1a

Noun (2)

14th century, in the meaning defined above

Noun (3)

14th century, in the meaning defined above

Verb (2)

15th century, in the meaning defined at sense 1a

Adjective

14th century, in the meaning defined at sense 1

Time Traveler
The first known use of plane was in the 14th century

Phrases Containing plane

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