Definition of castings:
(n) :
The act or process of selecting actors, singers, dancers, models, etc.
(n) :
A manufacturing process using a mold.
(n) :
(countable) An object made in a mold.
(n) :
(programming) The act of converting between data types.
(n) :
The excreta of an earthworm or similar creature.
(n) :
The regurgitation of fur, feathers, and other undigestible material by hawks, to clean and empty their crops.^([W])