Definition of "amoureux"

Ogier, thinking it is the Virgin Mary, commences an Ave; but the lady tells him she is Morgue la faye, who at his birth had kissed him, and retained him for her loyal amoureux, though forgotten by him.

1828, Thomas Keightley, The Fairy Mythology, volume I, London: William Harrison Ainsworth, page 78

"Yet your mother," Rowland objected, "told me just now that you say you don't care a button for him." "Very likely! I meant as an amoureux. One does n't want a lover one pities, and one does n't want - of all things in the world - a husband who's a picturesque curiosity."

1907, Henry James, Roderick Hudson, page 408