IGNIP'OTENT, a. [L. ignis, fire, and potens, powerful.]
Presiding over fire. Vulcan is called the power ignipotent.
IGNIS FATUUS, n. [L.] A meteor or light that appears in the night, over marshy grounds, supposed to be occasioned by phosphoric matter extricated from putrefying animal or vegetable substances, or by some inflammable gas; vulgarly called - Will with the wisp,and Jack with a lantern.
