or book louse

[boo k-lous]
noun, plural book·lice [boo k-lahys] /ˈbʊkˌlaɪs/.
  1. any of numerous minute, wingless insects of the order Psocoptera, often living among books or papers.

Origin of booklouse

First recorded in 1865–70; book + louse Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for booklouse


noun plural -lice
  1. any small insect of the order Psocoptera, esp Trogium pulsatorium (common booklouse), a wingless species that feeds on bookbinding paste, etc
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012