GRAVID
enceinte, big(p), expectant, gravid, great, large, heavy, with child
(adjective) in an advanced stage of pregnancy; “was big with child”; “was great with child”
Source: WordNet® 3.1
Etymology
Adjective
gravid (comparative more gravid, superlative most gravid)
Pregnant; now used chiefly of egg-laying animals, or metaphorically.
Source: Wiktionary
Grav"id, a. Etym: [L. gravidus, fr. gravis heavy, loaded. See Grave,
a.]
Definition: Being with child; heavy with young; pregnant; fruitful; as, a
gravid uterus; gravid piety. " His gravid associate." Sir T. Herbert.
Source: Webster’s Unabridged Dictionary 1913 Edition