Why does the poet use the word engine do you think it is hyperbole or

1.	Why does the poet use the word engine do you think it is hyperbole or exaggeration
Answer» The word ‘engine’ in the extract denotes the sudden and monotonous noise put up by the young ones of the goldfinch in the nest. The poet has definitely used hyperbole in a beautiful way to compare the sudden eruption of chitterings in the tree to that of an engine starting up.

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