1) Celtic mythology 2) Sacred rock
Found on
https://www.crosswordclues.com/clue/bullaun
A bullaun (bullán; from a word cognate with `bowl` and French bol) is the term used for the depression in a stone which is often water filled. Natural rounded boulders or pebbles may sit in the bullaun. The size of the bullaun is highly variable and these hemispherical cups hollowed out of a rock may come as singles or multiples with the same r.....
Found on
http://en.wikipedia.org/wiki/Bullaun
No exact match found.
