Sentence:  There, like one possessed,/ Outraving and <WSD>outbraving</WSD> all the rest,/ One Lycabas, from Tuscan city sent/ To purge a deed of blood by banishment,/ As I withstood him, struck a breakneck blow,/ And would have dashed me to the waves below ... 
Meaning of the word marked with <WSD> tags:  To be more brave than.