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