prīmĭpăra, ae, f. [primus-pario],
she that has brought forth , foaled , whelped , littered , etc., for the first time; of animals (post-Aug.), Plin. 8, 40, 62, § 151; 8, 47, 72, § 187: sus, id. 11, 37, 84, § 210.
·noun A woman who bears a child for the first time. ...
Webster's Dictionary of the English Language