Monocoque
A single-shell type of aircraft structure in which all of the flight loads are carried in the outside skin of the structure.
Aviation Maintenance Technician Handbook — Airframe, p. G-23
Also defined in 1 more source
A shell-like fuselage design in which the stressed outer skin is used to support the majority of imposed stresses. Monocoque fuselage design may include bulkheads but not stringers.
Taught in AF-A Quick reference.