fossette

Century Dictionary and Cyclopedia

1. n. A little hollow; a dimple.
2. n. In pathology, a small ulcer of the transparent cornea, the center of which is deep.
3. n. A hollow of considerable depth in the grinding-face of a tooth, more or less completely surrounded by enamel folds: typically shown in such a tooth as the molar of a rhinoceros. See cut under tooth.

Wiktionary

1. n. A little hollow; a dimple.
2. n. medicine A small, deep-centred ulcer of the transparent cornea.
3. n. dentistry A small depression in the crown of a tooth

GNU Webster's 1913

1. n. A little hollow; hence, a dimple.
2. n. (Med.) A small, deep-centered ulcer of the transparent cornea.