Sound 4 : (1) To determine the depth of water. (2) The act of a whale or similar creature in diving deep. (3) A body of water between the mainland and a large coastal island
Compass (The National Training Portal of The U. S. Naval Sea Cadet Corps), appendix I, Glossary, VA, USA 2012. http://compass.seacadets.org/pdf/nrtc/bmr/14325_in d.pdf, (Mrtm/Nav - Amer) {558}