monoplane

M3O1N1O1P3L1A1N1E1

adjective

Composed of, or relating to, a single plane (flat surface extending infinitely in all directions).

“By the mid-1930s, designs for new fighters and bombers were almost all monoplane designs.”

Similar
monoplanaruniplanar
UncommonScrabble 13
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Meanings

adjectivemonoplane (not comparable)
  1. not comparableComposed of, or relating to, a single plane (flat surface extending infinitely in all directions).

    Synonyms: monoplanar, uniplanar

nounmonoplane (plural monoplanes)

plural monoplanes

  1. aeronauticsAn airplane that has a single pair of wings.

    By the mid-1930s, designs for new fighters and bombers were almost all monoplane designs.

verbmonoplane (third-person singular simple present monoplanes, present participle monoplaning, simple past and past participle monoplaned)

present singular third person monoplanes · participle present monoplaning · participle past monoplaned · past monoplaned

  1. rareTo fly in a monoplane.

Synonyms & antonyms

adjectiveComposed of, or relating to, a single plane (flat surface extending infinitely in all directions).

Similar
monoplanaruniplanar

Origin

From mono- + plane. The aviation sense was formed by analogy with biplane; compare French monoplan, as well as the earlier English aeroplane, multiplane, and triplane.

Full word history & related roots →

Translations

Afrikaans eendekker
  • eendekkerairplane that has a single pair of wings
Chinese Mandarin 單翼機 /单翼机
  • 單翼機 /单翼机 (dānyìjī)airplane that has a single pair of wings
Czech jednoplošník
  • jednoplošníkairplane that has a single pair of wings
Dutch eendekker
  • eendekkerairplane that has a single pair of wings
Finnish yksitaso
  • yksitasoairplane that has a single pair of wings
German Eindecker
  • Eindeckerairplane that has a single pair of wings
Greek μονοπλάνο
  • μονοπλάνο (monopláno)airplane that has a single pair of wings
Japanese 単葉機
  • 単葉機 (tan'yōki)airplane that has a single pair of wings
Korean 단엽기
  • 단엽기 (danyeopgi)airplane that has a single pair of wings
Polish jednopłatowiec, jednopłat
  • jednopłatowiecairplane that has a single pair of wings
  • jednopłatairplane that has a single pair of wings
Romanian monoplan
  • monoplanairplane that has a single pair of wings
Russian монопла́н
  • монопла́н (monoplán)airplane that has a single pair of wings
Swedish monoplan
  • monoplanairplane that has a single pair of wings
Cite this entry
APA

monoplane. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/monoplane

MLA

“monoplane.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/monoplane. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “monoplane,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/monoplane.

Source: monoplane on Wiktionary, CC BY-SA 4.0.