This is the 439th most frequent Norwegian word.
boken
"The book."
In this sentence, 'boken' emphasizes the identified book with added description, showing its role as the definite form of a noun in a descriptive context.
Boken som ligger på bordet er veldig gammel.
The book that lies on the table is very old.
'Boken' in this context signifies a particular book being referred to, with its definite form highlighting its specificity.
Har du sett boken jeg lånte deg?
Have you seen the book I lent you?
The word 'boken' here is a definite singular noun referring to 'the book' as a specific object that was read.