The term 'IlIAD and Odyssey' refers to two epic poems written by the ancient Greek poet Homer. The Iliad is an ancient Greek epic poem set during the Trojan War, while the Odyssey is an epic poem about the journey of the Greek hero Odysseus. Both EPICS are considered foundational works of Western literature and have been widely studied and adapted throughout history. The crossword solution for this term is 'EPICS', which is a five-letter word that accurately describes these two works.