conservancy

Từ điển Oxford Advanced Learner 8th

con·ser·vancy [conservancy conservancies] BrE [kənˈsɜːvənsi] NAmE [kənˈsɜːrvənsi] noun
1. Conservancysingular + singular or plural verb a group of officials who control the use of a port, a river, an area of land, etc
•the Thames Conservancy
•Texas Nature Conservancy
2. uncountable (formal)the protection of the natural environment
Syn: ↑conservation
•nature conservancy

Word Origin:
mid 18th cent.: alteration of obsolete conservacy, from Anglo-Norman French conservacie, via Anglo-Latin from Latin conservatio, from the verb conservare ‘to preserve’, from con- ‘together’ + servare ‘to keep’.