Plane

GRE Barron 考研

[编辑] 解释

I. verb (planed; planing)

Etymology: Middle English, from Anglo-French planer, from Late Latin planare, from Latin planus level — more at floor
Date: 14th century
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

II. noun

Etymology: Middle English, from Anglo-French, from Latin platanus, from Greek platanos; probably akin to Greek platys broad — more at place
Date: 14th century
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

III. noun

Etymology: Middle English, from Anglo-French, from Late Latin plana, from planare
Date: 14th century
a tool for smoothing or shaping a wood surface

IV. noun

Etymology: Latin planum, from neuter of planus level
Date: 1571
1.
- 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
2. a level of existence, consciousness, or development <on the intellectual plane>
3.
- a. one of the main supporting surfaces of an airplane
- b. \［by shortening\］ airplane

V. adjective

Etymology: Latin planus
Date: 14th century
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: see level

VI. intransitive verb (planed; planing)

Etymology: Middle English, from Middle French planer, from plain level, plain
Date: 15th century
1.
- a. to fly while keeping the wings motionless
- b. to skim across the surface of the water
2. ［trn］ to travel by airplane