1. triplane - Noun
2. triplane - Adjective
triplane (not comparable)
Composed of, or relating to, three planes (flat surfaces extending infinitely in all directions).
triplane (plural triplanes)
(aviation) An airplane that has three pairs of wings, one above the others
Bays The space enclosed by a set of interplane struts is called a bay, hence a biplane or triplane with one set of such struts connecting the wings on each side of the aircraft is a single-bay biplane. Source: Internet
One triplane was used as a testbed for an experimental Schwade gear-driven supercharger. Source: Internet
Leutnant der Reserve Günther Pastor of Jasta 11 was killed two days later when his triplane broke up in level flight. Source: Internet
By January 1918, Jastas 6 and 11 were fully equipped with the triplane. Source: Internet
Occasionally even more wings have been used, with the three-winged triplane achieving some fame in WWI. Source: Internet
The triplane had to be given up because although it was very maneuverable, it was no longer fast enough." Source: Internet