The crossword solution for the term 'Lilt Syllable' is TRA, which is a three-letter word. The term 'lilt syllable' is used to describe a short, musical phrase that is repeated in a song or poem. It is often used to create a sense of rhythm and to emphasize certain words or phrases. The word 'tra' is an example of a lilt syllable, as it is a short, musical phrase that can be repeated in a song or poem.