bullaun

Etymology
.

Noun

 * 1) A natural depression in a stone, often filled with water and sometimes pebbles.
 * 2) * 1972, Seamus Heaney, "A New Song", Wintering Out, Faber and Faber (1972):
 * And Castledawson we'll enlist
 * And Upperlands, each planted bawn-
 * Like bleaching-greens resumed by grass-
 * A vocable, as rath and bullaun.
 * 1) * 1987, Paul Muldoon, "Brock", Meeting The British, Faber and Faber (1987):
 * For when he shuffles
 * across the esker
 * I glimpse my grandfather’s whiskers
 * stained with tobacco-pollen.
 * When he piddles against a bullaun
 * I know he carries bovine TB