conch

About 0.61 uses per million words.

Meaning

noun A marine gastropod of the family Strombidae which lives in its own spiral shell.
noun The shell of this sea animal.
noun A musical instrument made from a large spiral seashell, somewhat like a trumpet.
noun The semidome of an apse, or the apse itself.
noun Synonym of concher (“machine used to refine the flavour and texture of chocolate”).
verb To refine the flavour and texture of chocolate by warming and grinding, either in a traditional concher, or between rollers.
verb To play a conch seashell as a musical instrument, by blowing through a hole made close to the origin of the spiral.