Word.ws English Dictionary

book gill

book gill noun: a gill found in horseshoe crabs consisting of membranous folds, resembling the leaves of a book.

book gill: a gill found in horseshoe crabs consisting of membranous folds, resembling the leaves of a book
Image: Binh Giang, Public domain, via Wikimedia Commons

Noun

book gill (plural book gills)

  1. A gill found in horseshoe crabs consisting of membranous folds, resembling the leaves of a book.

Forms of book gill

pluralbook gills

Questions about book gill

What does book gill mean?
Book gill means a gill found in horseshoe crabs consisting of membranous folds, resembling the leaves of a book.
What part of speech is book gill?
Book gill is a noun.
What is the plural of book gill?
The plural of book gill is book gills.

Words near book gill in the dictionary

  1. book fairs
  2. book folder
  3. book folders
  4. book form
  5. book forms
  6. book gill
  7. book gills
  8. book group
  9. book groups
  10. book hand
  11. book hands

Source and license

Adapted from Wiktionary: book gill (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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