bookworm

US /ˈbʊk.wɝːm/
UK /ˈbʊk.wɝːm/
"bookworm" picture
1.

a person who loves to read books and spends a lot of time reading

:
My sister is a real bookworm; she reads at least two novels a week.
He spent his childhood as a quiet bookworm, always with his nose in a book.
2.

the larva of an insect that feeds on the paper and glue in books

:
The old manuscript was damaged by bookworms.
To prevent bookworms, store books in a dry, cool place.