John Keats was an English Romantic poet who wrote many famous poems, including 'Ode on a Grecian Urn' and 'Ode to a Nightingale'. The term 'Keats Poems' refers to the body of work written by Keats, which includes his five great odes: 'Ode on Indolence', 'Ode on Melancholy', 'Ode to a Nightingale', 'Ode on a Grecian Urn', and 'Ode to Psyche'. The crossword solution for this term is 'ODES', which is an acronym for the five great odes written by Keats.