Sentence:  The new offering Tuesday consisted of $ 60 million worth of 4 - 7 8 debentures , due June 1 , 1986 , at 100 % , and $ 60 million of 4 - 1 2 % convertible <WSD>subordinated</WSD> debentures due June 1 , 1991 , at 100 % . 
Meaning of the word marked with <WSD> tags:  rank or order as less important or consider of less value