adj.
Pronunciation: ˌ s ə b- ' o ̇ r-b ə -t ə l
Function: adjective
Date: circa 1827
1 : situated beneath the eye or the orbit of the eye
2 : being or involving less than one orbit (as of the earth or moon) <a spacecraft's suborbital flight> also : intended for suborbital flight <a suborbital rocket>