The abbreviation after a word in the dictionary tells you what kind/ part of speech the defined word is.
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Answer:
In Edgar Allan Poe's “The Black Cat,” the narrator experiences a descent into madness. The object of his obsession is a black cat named Pluto, one of his and his wife's many pets. ... It is in this reduced state that the narrator, increasingly angered by the cat's avoidance of him, gouges out one of the cat's eyes.
Explanation: