Lewis Short
mātrix (noun F) : id.
* A mother in respect to propagation (in lit. signif. not used of women).
* Lit., a breeding-animal: of breeding-cows, Varr. R. R. 2, 5, 12; of breeding-ewes, Col. 7, 3, 12; of laying-hens, id. 8, 2, 6; 8, 5, 11.
* Transf.
* Trop., a source, origin, cause (cf. mater, II.; eccl. Lat.): Eva matrix generis feminini,the progenitress,Tert. Virg. Vel. 5: primordialis lex data Adae, quasi matrix omnium praeceptorum Dei,id. adv. Jud. 2; id. adv. Haer. 21: matrix et origo cunctorum,id. adv. Valent. 7.—As an appellation of Venus, Inscr. Orell, 1373.
* The womb, matrix (late Lat.): matricis dolor,Veg. Vet. 2, 17, 5; Sen. Contr. 2, 13, 6.
* A public register, list, roll: in matricibus beneficiariorum,Tert. Fug. in Persec. 12.
Charlton T. Lewis, Charles Short, A Latin Dictionary