Sesquiplane

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A biplane having one long wing and one short one above or below it.

Etymology

From sesqui- (“one and a half”) + plane, referring to long and short wings as “one and a half” wings.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.