Final answer:
In the extract provided, the word 'Stroke' carries the meaning of a 'sudden rough blow'. Other words like 'Mournful', 'Pile', and 'Axe' have different meanings.
Step-by-step explanation:
In the given extract, the word that means the same as 'sudden rough blow' is 'Stroke'. The word 'stroke' can denote a rapid, forceful action or movement, which may be interpreted as a 'sudden rough blow' depending on the context. 'Mournful', on the other hand, relates to feeling or expressing sorrow or grief. 'Pile' generally refers to a stack or a heap of items placed on top of one another, and 'Axe' refers to a tool used for cutting, usually with a heavy iron or steel blade mounted at an angle at the end of a handle.
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