noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of the small insects that feed on bookbindings, especially those of the order Psocodea.
2. 2
   minute wingless psocopterous insects injurious to books and papers wordnet

Synonyms

All synonyms

barklousebook lousebook mitebook-scorpionbookmitedeathwatch

Etymology

From book + louse. So called because they feed on bookbinding glue.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.