Word Study
    tiercet
CIDE DICTIONARY
tiercet, n. [F. tercet. See Tercet.]. 
                                            
                                         A triplet; three lines, or three lines rhyming together.                                                                                 [1913 Webster]                                                                                                                    
                                                                                    
            For further exploring for "tiercet" in Webster Dictionary Online
        


 
    
 
