limbus

A distinctive border or edge, such as the junction between the cornea and sclera of the eyeball.

Same as limbo, 1.

Pl. limbi (-bī). In anatomy, a border.

In conchology, the circumference of the valves of a bivalve shell from the disk to the border or margin.

A border of an anatomical part, such as the edge of the cornea.

a border or edge of any of various body parts distinguished by color or structure