a term used for such bodies, especially fluids, as encompass others on all sides; thus, the air is frequently called an ambient fluid, because it is diffused round the earth.

AMBIGENÆ OVES, in the heathen sacrifices, an appellation given to such ewes as, having brought forth twins, were sacrificed together with their two lambs, one on each side. We find them mentioned among other sacrifices to Juno.