conch

kotilo A marine gastropod of the family Strombidae which lives in its own spiral shell.
The shell of this sea animal.
A musical instrument made from a large spiral seashell.
A machine (rather like a rotating pestle and mortar) used to develop the flavour and texture of chocolate by warming and grinding; a concher or concher machine.
To refine the flavour and texture of chocolate by warming and grinding, either in a traditional concher, or between rollers.
To play a conch seashell as a musical instrument, by blowing through a hole made close to the origin of the spiral.