conch

noun5

1. •
   A marine gastropod of the family Strombidae which lives in its own spiral shell.
2. •
   The shell of this sea animal.
3. •
   A musical instrument made from a large spiral seashell, somewhat like a trumpet.
4. •
   The semidome of an apse, or the apse itself.
5. •
   Synonym of concher (“machine used to refine the flavour and texture of chocolate”).

verb2

1. •
   To refine the flavour and texture of chocolate by warming and grinding, either in a traditional concher, or between rollers.
2. •
   To play a conch seashell as a musical instrument, by blowing through a hole made close to the origin of the spiral.

noun3

1. •
   (slang) A denizen of the Florida Keys
2. •
   (offensive, old-fashioned) A British Bahamian.
3. •
   (offensive, old-fashioned) A European caucasian Bahamian