adj.
- Having or following a trajectory of less than one orbit. Used of a rocket or spacecraft.
- Anatomy. Situated on or below the floor of the orbit of the eye.
A suborbital part, such as a bone, nerve, or cartilage.
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.