monoplane

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.

monoplane (not comparable)

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

   Synonyms: monoplanar, uniplanar

monoplane (plural monoplanes)

1. (aviation) An airplane that has a single pair of wings.

   Coordinate terms: biplane, triplane

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

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

1. (rare) To fly in a monoplane.

• biplane
• triplane
• parasol

monoplane

1. feminine plural of monoplano