Definition of limbus in English:

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Pronunciation: /ˈlimbəs/

noun (plural limbi /-ˌbī/ /-ˌbē/)

The border or margin of a structure, especially the junction of the cornea and sclera in the eye.
Example sentences
  • The central portion of the bulbar conjunctiva is continuous at the limbus with the anterior epithelium of the cornea.
  • An incision is made in the conjunctiva at the limbus using a #57 ophthalmology blade.
  • Under direct microscopic visualization, three tiny incisions (ie, sclerotomies) are made through the sclera a few millimeters behind the limbus.


Late Middle English (denoting limbo): from Latin, 'edge, border'. The current sense dates from the late 17th century.

For editors and proofreaders

Syllabification: lim·bus

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