Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun Any of various small, often wingless insects of the order Psocoptera that feed on stored flour products, paper, or bookbindings.

from The Century Dictionary.

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

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Zoöl.) a minute wingless psocopterous insect (Liposcelis divinatorius) injurious to books and papers.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

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

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

  • noun minute wingless psocopterous insects injurious to books and papers
  • noun minute wingless psocopterous insects injurious to books and papers

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

So-called because they feed on bookbindings glue

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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