bookworm
/ˈbʊkˌwɜrm/Definitions
1. noun
a person, especially a child or young adult, who enjoys reading and studying books.
“She was a bookworm in high school and devoured every novel she could get her hands on.”
2. noun
a small insect that eats the bindings or pages of books, especially a larva of a beetle.
“The bookworm had eaten through the cover of the old leather-bound book.”