Infraorbital is an anatomical term which means, literally, inferior to (below or beneath) the eye socket (orbit). Some examples of uses of the term are: ...
• (a.) Below the orbit; as, the infraorbital foramen; the infraorbital nerve.
(in″frә-or´bĭ-tәl) lying under or on the floor of the orbit; called also suborbital.
In`fra·or'bit·al adjective [ Infra + orbital .] (Anat.) Below the orbit; as, the infraorbital foramen; the infraorbital nerve. 
Type: Term Pronunciation: in′fră-ōr′bi-tăl Definitions: 1. Below or beneath the orbit. Synonyms: suborbital
infraorbital Below the orbit; such as, the infraorbital foramen (small opening, perforation, or orifice; a fenestra (small opening); the infraorbital nerve.