In the poem excerpt, the term 'perilous' is chosen to emphasize the high risk of death associated with the dangerous situation near the Inchcape Rock.
The word perilous is used in the poem excerpt instead of 'risky,' 'dangerous,' or 'vulnerable' because it has a stronger connotation that emphasizes the risk of death. The term implies a significant level of danger and potential harm, especially in the context of navigating treacherous waters near the Inchcape Rock.
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