# biplane

> English word · Adjective · IPA /ˈbaɪpleɪn/ · frequency rank #55,284

## Definitions
1. Composed of, or relating to, two planes (flat surfaces extending infinitely in all directions).
2. Having, or consisting of, two superposed planes, aerocurves, etc.

## Etymology
From bi- + plane.

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