How is ‘The Crucible’ appropriately titled? The word ‘crucible’ is used by Arthur Miller in his play as a metaphor. The first definition of the word crucible is: a melting pot especially for metals. In the play this is first acknowledged during the first act, as we gradually piece together the information concerning the girls dancing. The ‘kettle’ viewed by Reverend Parris mirrors a crucible. We are told that the girls had made a brew which contained a little frog and blood is therefore viewed by the char ....