Obs. exc. Hist. [F. loup: see LOUP.] A velvet mask partly covering the face, worn by females in the 17th century to protect the complexion. Chiefly attrib. in loo mask.
1690. Evelyn, Ladies Dressing-R., 10. Loo Masks, and whole, as wind does blow, And Miss abroad’s dispos’d to go. Ibid., Fops Dict., 18. Loo Mask, an half Mask.
1839. W. H. Ainsworth, Jack Sheppard, I. ii. Blueskin … turning … beheld a young female, whose features were partially concealed by a loo, or half mask, standing beside him.
