Meaning of suborbital

sub•or•bit•al

Pronunciation: (sub-ôr'bi-tl), [key]
— adj.
  1. (of a spacecraft) not in orbit; not achieving an altitude and velocity resulting in a ballistic trajectory circling the earth at least once.
  2. situated below the orbit of the eye.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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