1the method of presenting a play or other dramatic performance:the quality of staging and design [count noun]:one of the better stagings of Hamlet
the organizing of a public event or protest:the staging of the Norfolk Festival of Movement
2a stage or set of stages or temporary platforms arranged as a support for performers or between different levels of scaffolding:pairs of ladders can be bridged with staging [count noun]:men at work on high stagings
British a shelving unit for plants in a greenhouse.
3 Medicine diagnosis or classification of the particular stage reached by a progressive disease:post-operative staging was performed
4the arrangement of stages in a rocket or spacecraft.
the separation and jettisoning of a stage from the remainder of a rocket when its propellant is spent.
staging in other Oxford dictionaries
Definition of staging in the US English dictionary