Cairn

n.	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.

Noun	1.	cairn - a mound of stones piled up as a memorial or to mark a boundary or path
	2.	cairn - small rough-haired breed of terrier from Scotland Synonyms: cairn terrier

arch, barrow, bench mark, bookmark, boundary stone, brass, bust, catstone, cenotaph, column, cromlech, cross, cup, cyclolith, dolmen, footstone, grave, gravestone, headstone, hoarstone, inscription, landmark, lighthouse, lightship, mark, marker, mausoleum, megalith, memento, memorial, memorial arch, memorial column, memorial statue, memorial stone, menhir, milepost, milestone, monolith, monument, mound, necrology, obelisk, obituary, pharos, pillar, plaque, platform, prize, pyramid, reliquary, remembrance, ribbon, rostral column, seamark, shaft, shrine, stela, stone, stupa, tablet, testimonial, tomb, tombstone, tope, tower, trophy, watchtower