Bookworm

//ˈbʊk.wɜːm// noun

Definitions

Noun
  1. 1
    Any of various insects that infest books.
  2. 2
    someone who spends a great deal of time reading wordnet
  3. 3
    An avid book reader. figuratively

    "“This,” remarked the sedate observer beside me, “is a bookworm,—one of those men who are born to gnaw dead thoughts. His clothes, you see, are covered with the dust of libraries."

  4. 4
    a person who pays more attention to formal rules and book learning than they merit wordnet

Etymology

From book + worm.

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