plane

English · Français · Deutsch · Português · Thesaurus

AI In plain words

Writing a short explanation…

Written by a house AI from the entry below, in your language. The entry itself is the source.

plane¹

  • /pleɪn/

Sounds like plain (pane–pain merger) · Rhymes with -eɪn

Where it comes from

From Latin plānum (“flat surface”), a noun use of the neuter of plānus (“plain”). The word was introduced in the 17th century to distinguish the geometrical senses from the other senses of plain. Doublet of llano, piano, plain, and plan.

adjective planer · planest

  1. Of a surface: flat or level.

noun planes

  1. A level or flat surface.
  2. A flat surface extending infinitely in all directions (e.g. horizontal or vertical plane); a bounded portion thereof. Mirrors in the compartments have been canted out of the vertical plane to reduce reflections to the passengers when seated.
  3. An imaginary plane which divides the body into two portions.
  4. A level of existence or development. astral plane
  5. A roughly flat, thin, often moveable structure used to create lateral force by the flow of air or water over its surface, found on aircraft, submarines, etc.
  6. Any of 17 designated ranges of 2¹⁶ (65,536) sequential code points each.

plane²

  • /pleɪn/

Sounds like plain (pane–pain merger) · Rhymes with -eɪn

Where it comes from

From Middle English plane, plaine, from Anglo-Norman plaine, from Late Latin plāna (“planing tool”).

noun planes

  1. countable A tool for smoothing wood by removing thin layers from the surface.

verb planes · planing · planed

  1. transitive To smooth (wood) with a plane.

plane³

  • /pleɪn/

Sounds like plain (pane–pain merger) · Rhymes with -eɪn

noun planes · 'plane

  1. An airplane; an aeroplane. on a plane
  2. Any of various nymphalid butterflies, of various genera, having a slow gliding flight.

    Similar: aeroplane

  3. The butterfly Bindahara phocides, family Lycaenidae, of Asia and Australasia.

verb planes · planing · planed · 'plane

  1. of a boat To move in a way that lifts the bow out of the water.
  2. To glide or soar.

plane⁴

  • /pleɪn/

Sounds like plain (pane–pain merger) · Rhymes with -eɪn

Where it comes from

From Middle English plane, borrowed from Old French plane, from Latin platanus, from Ancient Greek πλάτανος (plátanos), from πλατύς (platús, “wide, broad”).

noun planes

  1. countable A deciduous tree of the genus Platanus.
  2. Northern UK A sycamore.

Thesaurus

Closest in meaning: flat, level, even, skim, airplane, aeroplane, sheet, shave, planing machine, woodworking plane, plain, planar, edge, device, apparatus, machinery

Translations

Every language

adj of a surface: flat or level.

Españolplano
中文水平的 shuǐpíng de, 平面的 píngmiàn de
हिन्दीसमतल samtal
Portuguêsplano
Françaisplan, plat
Deutscheben
Italianopiano
Ελληνικάεπίπεδος epípedos, ίσος ísos
Русскийпло́ский plóskij, ро́вный róvnyj
Tiếng Việtbằng, phẳng, bằng phẳng
עבריתמישורי mishori

noun geometry: flat surface extending infinitely in all directions

Españolplano
한국어평면 pyeongmyeon
日本語平面 heimen
中文平面 píngmiàn
हिन्दीसमतल samtal
Portuguêsplano
Françaisplan
DeutschEbene
Italianopiano
Ελληνικάεπίπεδο epípedo
Românăplan
Русскийпло́скость plóskostʹ
Tiếng Việtmặt phẳng

noun level or flat surface

Españolplano
한국어평면 pyeongmyeon
日本語平面 heimen
中文平面 píngmiàn
हिन्दीसमतल samtal
Italianopiano
Ελληνικάεπίπεδο epípedo

noun level of existence

中文位面, 界 jiè
Portuguêsplano
DeutschEbene
Italianopiano
Русскийу́ровень úrovenʹ
Tiếng Việttrình độ, mức

noun a tool

Españolcepillo
한국어대패 daepae
日本語鉋 kanna
中文鉋刀 /刨刀 bàodāo, 鉋子 /刨子 bàozi
हिन्दीरंदा randā
Kiswahiliranda
Portuguêsplaina
Françaisrabot
DeutschHobel
Italianopialla, piallatrice, pialletto
Ελληνικάπλάνη pláni
Românărindea
Русскийруба́нок rubánok, струг strug, калёвка kaljóvka, шерхе́бель šerxébelʹ
Tiếng Việtbào
العربيةمِسْحَاج misḥāj, مِنْجَرَة minjara, مِسْحَج misḥaj
עבריתמקצוע maktsoa

verb to smooth with a plane

Españolcepillar, dolar
日本語削る kezuru
中文刨 páo
Kiswahiliranda
Portuguêsaplainar
Françaisraboter
Deutschhobeln
Italianopiallare
Ελληνικάπλανίζω planízo
Românărabota, rindelui, gelui
Русскийстрога́ть strogátʹ
Tiếng Việtbào
العربيةسَحَجَ saḥaja
עבריתהקציע hiktsia

noun airplane

Españolavión
한국어비행기 bihaenggi, 항공기 hanggonggi
日本語飛行機 hikōki, 航空機 kōkūki
中文飛機 /飞机 fēijī, 飛行機 /飞行机 fēixíngjī
हिन्दीविमान vimān, हवाई जहाज़ havāī jahāz, वायु-यान vāyu-yān
Kiswahilindege
Portuguêsavião, aeroplano
Françaisavion, aéroplane
DeutschFlugzeug, Flieger, Maschine
Italianoaereo, aeroplano
Ελληνικάαεροπλάνο aeropláno, αεροσκάφος aeroskáfos
Русскийсамолёт samoljót, аэропла́н aeroplán
Tiếng Việtmáy bay, tàu bay
العربيةطَائِرَة ṭāʔira, طَيَّارَة ṭayyāra
עבריתמָטוֹס matós, אווירון, אֲוִירוֹן avirón

verb to move in a way that lifts the bow of a boat out of the water

Españolplanear
Italianoplanare

verb to glide

Españolplanear
中文滑翔 huáxiáng
Portuguêsplainar, pairar
Françaisplaner
Deutschgleiten
Italianoplanare
Русскийпари́ть parítʹ, плани́ровать planírovatʹ

noun deciduous tree

Españolplátano
中文法桐 fǎtóng
Portuguêsplátano
Françaisplatane, plane
DeutschPlatane
Italianoplatano
Ελληνικάπλάτανος plátanos
Românăplatan
Русскийплата́н platán, чина́р činár, чина́ра činára
Tiếng Việtcây tiêu huyền
العربيةدُلْب dulb, صِنَار ṣinār
עבריתדולב dolev

Talk about this word

Cite this
MLA

"plane." Wiktionary, via Micwyn, micwyn.com/word/plane. Accessed 6 Nov. 2026.

APA

plane. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/plane

Chicago

"plane." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/plane.

BibTeX
@misc{plane_2026,
  title = {plane},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/plane},
  urldate = {2026-11-06}
}