DEPTH-SOUNDER
Meaning of DEPTH-SOUNDER in English
ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
: an instrument (as a bathymeter or fathometer) for measuring mechanically the depth of water beneath a ship
Webster's New International English Dictionary.
Новый международный словарь английского языка Webster.
2012