Tailored lines refer to the seams of a garment that have been sewn in a specific way to create a tailored look. The term 'tailored lines' is often used to describe clothing that has been custom-made or altered to fit an individual's body shape. The crossword solution for this term is 'seams, ' which refers to the stitches that are used to join two pieces of fabric together. Seams are an important part of creating tailored lines, as they provide structure and shape to the garment.