Wordnet 3.0
ADJECTIVE (2)
1.
of or relating to an orbit;
- Example: "orbital revolution"- Example: "orbital velocity"2.
of or relating to the eye socket;
- Example: "orbital scale"- Example: "orbital arch"
The Collaborative International Dictionary of English v.0.48:
Orbital \Or"bit*al\, a.
Of or pertaining to an orbit. "Orbital revolution." --J. D.
Forbes.
[1913 Webster]
Orbital index (Anat.), in the skull, the ratio of the
vertical height to the transverse width of the orbit,
which is taken as the standard, equal to 100.
[1913 Webster]
WordNet (r) 3.0 (2006):
orbital
adj 1: of or relating to an orbit; "orbital revolution";
"orbital velocity"
2: of or relating to the eye socket; "orbital scale"; "orbital
arch"
Moby Thesaurus II by Grady Ward, 1.0:
20 Moby Thesaurus words for "orbital":
O-shaped, ambagious, backhanded, circuitous, circular, deviating,
deviative, devious, digressive, discursive, excursive, helical,
indirect, meandering, oblique, out-of-the-way, rotary, round,
roundabout, spiral