sub·or·bit·al 
(sŭb-ôrbĭ-tl)
(sŭb-ôrbĭ-tl)adj.
1. Having or following a trajectory of less than one orbit. Used of a rocket or spacecraft.
2. Anatomy Situated on or below the floor of the orbit of the eye.
n.
A suborbital part, such as a bone, nerve, or cartilage.