The term 'Fishing-Line Weight' refers to the weight of the line used for fishing. The crossword solution for this term is 'SINKER, ' which is a type of weight that is attached to the end of a fishing line to help it sink into the water. Sinkers come in a variety of shapes and sizes and are usually made of lead or other heavy metals. They are used to help keep the bait at the desired depth and to help the fisherman feel the bite of the fish.