EMER'SION, n. [from L. emergo. See Emerge.]

1. The act of rising out of a fluid or other covering or surrounding substance; opposed to immersion.

2. In astronomy, the reappearance of a heavenly body after an eclipse, as the emersion of the moon from the shadow of the earth; also, the time of reappearance.

3.. The reappearance of a star, which has been hid by the effulgence of the sun's light.

4. Extrication.