Cairn
Pronunciation : Cairn
Part of Speech : n.
Etymology : [Gael. carn, gen. cairn, a heap: cf. Ir. & W. carn.]
Definition : 1. A rounded or conical heap of stones erected by early inhabitants of the British Isles, apparently as a sepulchral monument. Now here let us place the gray stone of her cairn. Campbell.
2. A pile of stones heaped up as a landmark, or to arrest attention, as in surveying, or in leaving traces of an exploring party, etc. C. Kingsley. Kane.
Source : Webster's Unabridged Dictionary, 1913