1. multiplane - Noun
2. multiplane - Adjective
multiplane (not comparable)
Consisting of several planes or surfaces
An airplane having at least three superposed main planes
A motion-picture camera used in traditional animation to move a number of pieces of artwork at various speeds and various distances, creating a sense of parallax or depth.
Source: en.wiktionary.orgThe four-winged quadruplane and other Multiplane (aeronautics) designs have had little success. Source: Internet