The crossword solution for the term azimuth is ARC, which stands for an angle measured in a circular direction from a fixed reference point. Azimuth is used to describe the direction of a celestial object in the sky, such as a star or planet. It is also used to describe the direction of a terrestrial object, such as a mountain peak or a building. Azimuth is measured in degrees, with 0° being north and 180° being south.