Standard Lemma guide

booklouse

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

Any of the small insects that feed on bookbindings, especially those of the order Psocodea.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: bookmite

Antonyms: none provided

2

noun

Meaning 2

minute wingless psocopterous insects injurious to books and papers

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: book louse, deathwatch, Liposcelis divinatorius

Antonyms: none provided

Broader terms: psocopterous insect

Narrower terms: common booklouse, Trogium pulsatorium

History

Etymology

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

Across languages

Translations

1 source translations are retained for this English entry.

  • Navajo: akáshtʼóózh biyaʼ — Psocoptera