The action of the verb to sound.
Test made with a probe or sonde.
A measured depth of water.
The sailor took a sounding every five minutes
The act of inserting of a thin metal rod into the urethra of the penis for medical or sexual purposes
(chiefly in the plural) Any place or part of the ocean, or other water, where a sounding line will reach the bottom.
The sand, shells, etc. brought up by the sounding lead when it has touched bottom.