'Suborbital' definitions:

Definition of 'suborbital'

From: WordNet
adjective
Having or involving a trajectory of less than one orbit; "the first manned suborbital flight"
adjective
Situated on or below the floor of the eye socket; "a suborbital bone" [syn: suborbital, subocular]

Definition of 'Suborbital'

From: GCIDE
  • Suborbital \Sub*or"bit*al\, Suborbitar \Sub*or"bit*ar\, a. (Anat.) Situated under or below the orbit. [1913 Webster]