From Wiktionary, the free dictionary
Borrowed from French œil-de-perdrix (literally “eye of a partridge”).
œil-de-perdrix (plural œils-de-perdrix)
- (art) A small, round figure; a decorative dot.
œil-de-perdrix (not comparable)
- (art) Characterized by, or decorated with, small round spots or rings.
- an œil-de-perdrix pattern
- Having a brownish-red colour; used especially of light-coloured red wine.