a. Obs. [f. mod.L. subventāneus, f. L. sub SUB- 1 a + ventum wind: see -EOUS. Cf. obs. F. subventané.] Windy; esp. of unfertile eggs.
1646. Sir T. Browne, Pseud. Ep., III. xxi. 162. The relation of the Mares in Spaine, and their subventaneous conceptions, from the westerne winde.
1666. Bp. S. Parker, Free & Impart. Censure (1667), 79. Theories in Philosophie … impregnate the mind with nothing but Ayerie and Subventaneous Phantasmes.
1686. Plot, Staffordsh., 272. Whether the Egg it self at first was imperfect or subventaneous.
1688. R. Holme, Armoury, II. xiii. 313/2. Subventaneous Eggs, such as the Hen brings forth without the Treading of the Cock.
