Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Any of various small, often wingless insects of the order Psocoptera (or Corrodentia), some species of which feed on stored flour products, paper, or bookbindings.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of the small insects who feed on bookbindings, especially those of the order Psocoptera.

from the GNU version of the Collaborative International Dictionary of English

  • n. one of several species of minute, wingless insects injurious to books and papers. They belong to the Pseudoneuroptera.
  • n. a minute wingless psocopterous insect (Liposcelis divinatorius) injurious to books and papers.

from The Century Dictionary and Cyclopedia

  • n. A minute neuropterous insect of the family Psocid├Ž, distinguished by having the tarsi composed of only two or three joints, and the posterior wings smaller than the anterior.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. minute wingless psocopterous insects injurious to books and papers
  • n. minute wingless psocopterous insects injurious to books and papers

Etymologies

So-called because they feed on bookbindings glue (Wiktionary)

Examples

  • (Apr. 8, 2008) - The discovery of a new genus of a tiny booklouse from a northern Arizona cave may lead to further protection for cave ecosystems.

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