Pronunciation: (sub-sid'ē-er"ē), [key]
—adj., n., pl. -ar•ies.
1. serving to assist or supplement; auxiliary; supplementary.
2. subordinate or secondary: subsidiary issues.
3. of or pertaining to a subsidiary.
1. a subsidiary thing or person.
2. See subsidiary company.
3. Music.a subordinate theme or subject.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.