The term BOWED LINE can be represented by the crossword solution ARC, which is a three-letter word. An ARC is a curved line that is bowed or bent in some way. It is often used to describe the shape of a circle or other curved objects. In mathematics, an ARC is defined as a continuous part of a circle or other curved line. In architecture, arcs are often used to create arches and other curved structures. In art, arcs are used to create curved lines and shapes.