The two definitions of the word blessing that the pun in this excerpt relies on are:
- A religious ceremony called a christening
- Something that brings one happiness
Pun is the usage of words in which their several meanings are explored. In this excerpt, we see the young man Jack approach Chasuble to be rechristened.
The reference to Blessing by Miss Prism points to the fact that the christening ceremony was an obvious blessing.
When Chasuble used the word Blessing he meant that it could bring one happiness instead of bitter trials.
So, in their usage of the word, they explored its several meanings.
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