Final answer:
The most notable sound device in the excerpt is onomatopoeia.
Step-by-step explanation:
The most notable sound device in the excerpt is onomatopoeia. Onomatopoeia is the use of words that imitate the sounds associated with the objects or actions they refer to. In the excerpt, the phrase 'where the winds like a whetted knife' creates an auditory image of the sound of the winds being sharp and cutting, enhancing the sensory experience for the reader.
Learn more about Sound devices in poetry