Source : Webster's Revised Unabridged Dictionary (1913)

Gravid \Grav"id\, a. [L. gravidus, fr. gravis heavy, loaded. See
   {Grave}, a.]
   Being with child; heavy with young; pregnant; fruitful; as, a
   gravid uterus; gravid piety. `` His gravid associate.'' --Sir
   T. Herbert.

Source : WordNet®

gravid
     adj : in an advanced stage of pregnancy; "was big with child";
           "was great with child" [syn: {big(p)}, {enceinte}, {expectant},
            {great(p)}, {large(p)}, {heavy(p)}, {with child(p)}]