What is Casting?
Casting definition and meaning on Dictionary terms:
the act or process of a person or thing that casts.
something cast; any article that has been cast in a mold.
the act or process of choosing actors to play the various roles in a theatrical production, motion picture, etc.
the act or skill of throwing a fishing line out over the water by means of a rod and reel: I’ll have to improve my casting if I’m ever going to learn to fish well.
Zoology. cast(def 62).