• (a.) Of or pertaining to the orbit and the nose; as, the orbitonasal, or ophthalmic, nerve.
(or″bĭ-to-na´zәl) pertaining to the orbit and nose.
Or`bi·to·na'sal adjective [ Orbit + nasal .] (Anat.) Of or pertaining to the orbit and the nose; as, the orbitonasal , or ophthalmic, nerve. 
Type: Term Pronunciation: ōr′bi-tō-nā′săl Definitions: 1. Relating to the orbit and nose or nasal cavity.
orbitonasal; naso-orbital Concerning the orbit and nasal cavity of the skull; such as, the orbitonasal, or ophthalmic, nerve.