# sesquiplane

> English word · Noun

## Definitions
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.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/sesquiplane