Definition of "bibliophile"

A bad example often finds imitators, and every season there crop up for public sale one or two such collections formed by bibliomaniacs who, although calling themselves bibliophiles, ought really to be ranked among the worst enemies of books.

1880, William Blades, The Enemies of Books, page 97

[A] savage passage of 14th-century invective about the text-obsessed nerdiness of the Florentine bibliophile and friend of Petrarch, Niccolò Niccoli ...

2013 September 14, Jane Shilling, “The Golden Thread: the Story of Writing, by Ewan Clayton, review [print edition: Illuminating language]”, in The Daily Telegraph (Review)‎, page R28