Definify.com

Webster 1913 Edition

Noun.

One who, or that which; sounds; specifically, an instrument used in telegraphy in place of a register, the communications being read by sound.

Noun.

(Zool.)

A herd of wild hogs.

sounder

sounder ‎(plural sounders)

Something, or someone who makes a sound.
(nautical) A device for making soundings at sea.
(fishing) A fishfinder.
An instrument used in telegraphy in place of a register, the communications being read by sound.
A group of wild boar.

sounding device