The crossword solution for the term 'Breather of a Sort' is SNORKEL, which is a seven-letter word. A snorkel is a tube-like device used for breathing while swimming or diving underwater. It is typically made of plastic and has a mouthpiece at one end and a curved tube at the other end that extends above the surface of the water. Snorkels are often used by scuba divers to extend their air supply while exploring the depths of the ocean.