from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A small collar, especially as a kind of necklace of lace, fur etc. for women.
- n. A type of dahlia having a small collar of short inner petals.
- n. The jagged circle in the mid-diameter of the iris, separating the darker shade of the iris from the lighter shade of the iris.
- n. Rim of loosened keratin surrounding a skin lesion.
From French collerette. (Wiktionary)