Once upon a midnight dreary, while I pondered, weak and weary, Over many a quaint and curious volume of forgotten lore— While I nodded, nearly napping, suddenly there came a tapping, As of some one gently rapping, rapping at my chamber door. "'Tis some visitor," I muttered, "tapping at my chamber door— Only this and nothing more." "The Raven" by Poe What is the literary device that Poe uses in line 4?

Onomatopoeia

Explanation:

Once upon a midnight dreary, while I pondered, weak and weary, LINE 1

Over many a quaint and curious volume of forgotten lore— LINE 2

While I nodded, nearly napping, suddenly there came a tapping, LINE 3

As of some one gently rapping, rapping at my chamber DOOR. LINE 4

"'Tis some visitor," I muttered, "tapping at my chamber door— Only this and nothing more. LINE 5

Onomatopoeia is a very common literary device that is used to show or depict the sound of something.

In this case, it is used to depict the sound made by someone knocking on a door.

Rapping in this context means knocking on a door.

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