noun
A coordinating body that oversees or represents a group of smaller organizations, often in business, labor, or non-profit contexts.
その統括組織は、全国の加盟団体をまとめている。
The umbrella organization brings together member groups from across the country.
Compound of 統括 (tōkatsu, 'unification, overall control') and 組織 (soshiki, 'organization'). The exact historical derivation is uncertain, but the term is a straightforward modern coinage.