Examples from the Web for suborbital
Orbits marginal, bounded inferiorly not by the suborbital element.
The so-called tear-sacks or suborbital pits come under this head.The Descent of Man and Selection in Relation to Sex|Charles Darwin
In Polypterus there is a subopercle also; the suborbital chain is represented by two small bones.
There is no crumen or suborbital gland, which is so generally (though by no means universally) present in Cervidae.The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard
The dorsal and ventral boundaries of the orbits are respectively formed by the prominent supra-orbital and suborbital ridges.The Vertebrate Skeleton|Sidney H. Reynolds