(about a company) owned or controlled by another company（公司）附属的，隶属的◆The company is selling off its subsidiary businesses.这家公司正在出售其子公司。connected with sth but less important than it辅助的；次要的◆Apart from publishing, the company has several interesting subsidiary activities.除出版外，这家公司还从事一些有意思的附属业务。