placentary, a. (n.)
(ˈplæsəntərɪ, pləˈsɛntərɪ)
[ad. mod.L. placentārius, f. placenta: see -ary1. So F. placentaire.]
Of, pertaining or relating to the placenta; placental (Zool. and Bot.). b. Zool. Of or pertaining to the Placentalia or Placentaria.
| 1843–4 Trans. Linnean Soc. (1845) XIX. 321 The placentary hypothesis of M. Schleiden. 1848 Lindley Introd. Bot. (ed. 4) I. 377 Uncertainty in the position of the placentary lines. 1864 Webster s.v., The placentary system of classification. 1895 Syd. Soc. Lex., Placentary, belonging, or referring to, the Placenta. |
B. n. Zool. A placental mammal.
| 1890 in Cent. Dict. |