rare–1. [SOUNDING vbl. sb.2] A board used to ascertain the depth of water.
1776. G. Semple, Building in Water, 19. Sounding Boards … of Inch Plank 12 or 14 Inches broad, divided into Feet and Inches.
rare–1. [SOUNDING vbl. sb.2] A board used to ascertain the depth of water.
1776. G. Semple, Building in Water, 19. Sounding Boards … of Inch Plank 12 or 14 Inches broad, divided into Feet and Inches.
