A meeting of ministers. In the context of the GATT and WTO, it is a meeting of the trade ministers from the member countries (including, from the U.S., USTR).
A biannual conference of the WTO where the trade ministers [the EU is represented by a Commissioner although trade ministers often attend as well] of the member states meet to make major decisions. These are high profile intense meetings where major progress is often made.
The Ministerial Association of the Adventist world church serves the global Adventist through services to pastors, pastors' families, local church elders and company leaders, and Seventh-day Adventist Ministerial Association secretaries.