a person devoted to reading or studying.
any of various insects that feed on books, especially a booklouse.
Origin of bookworm
First recorded in 1590–1600; book
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for bookworm
Historical Examples of bookworm
Because she has to live with old Vedder who is nothing but a bookworm.
He was something of a bookworm at college, I believe, and has developed a taste for literature.
For the rest, he was a bookworm and revelled in intellectual pursuits.
The Bookworm's an uninteresting grub, Whether he's all alone or in a club.
This old fellow is Mac, the bookworm, called Worm for short.
British Dictionary definitions for bookworm
a person excessively devoted to studying or reading
any of various small insects that feed on the binding paste of books, esp the book louse
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
Word Origin and History for bookworm
1590s (of people), 1855 of insects or maggots; there is no single species known by this name, which is applied to the anolium beetle, silverfishes, and book lice. See book (n.) + worm (n.).
Online Etymology Dictionary, © 2010 Douglas Harper