The term 'Grand Verses' is an eponymous phrase used to describe the works of the ancient Greek poet Homer. The term 'epos' is a four-letter word that is used to refer to a type of narrative poem, which is the form of literature that Homer's works are written in. Therefore, the crossword solutions for the term 'Grand Verses' can be summarized as referring to the works of Homer, which are written in the form of an epos.