We've found 3 phrases for subsidiary (0.131 seconds):

play second fiddle »    To play a subsidiary or subordinate role to someone or something else.

second banana »    A person who serves in a supporting, secondary, or subsidiary capacity; an assistant.

shell out »    To use a program's "shell escape" function to execute an unrelated command or to invoke a subsidiary, interactive shell.

BTW, Why won't you become an editor?