Elv"an (?), a. 1.
Pertaining to elves; elvish.
2. (Mining) Of or pertaining to
certain veins of feldspathic or porphyritic rock crossing
metalliferous veins in the mining districts of Cornwall; as, an
elvan course.
{ Elv"an, Elv"an*ite (?) }, n.
The rock of an elvan vein, or the elvan vein itself; an elvan
course.