A house of unhewn grey stone roughly cemented together.    From Wordnet, Princeton University. 

Adjective : hewn logs. ,hewn stone.    From Dictionary.com. 

Fetichism of the African, by the simplest and most shapeless objects, such as unhewn blocks of stone and by simple pillars or pieces of wood.    From Wordnik.com.  [Museum of Antiquity A Description of Ancient Life] Reference

Did you ever cross a rapid stream on an unhewn foot-log?.    From Wordnik.com.  [The Continental Monthly, Vol. 2, No 3, September, 1862 Devoted to Literature and National Policy.] Reference

In the simple and unhewn the nature of the people is found.    From Wordnik.com.  [Zhuangzi] Reference

They were built of unhewn stone, but solid, and not inelegant.    From Wordnik.com.  [A Journey to the Western Isles of Scotland] Reference

Float on, then, like the sacred whispers from the unhewn forests!.    From Wordnik.com.  [The Continental Monthly, Vol. 5, No. 1, January, 1864] Reference

The figure was of white magnesium limestone, and stood upon rock yet unhewn.    From Wordnik.com.  [The Yoke A Romance of the Days when the Lord Redeemed the Children of Israel from the Bondage of Egypt] Reference

East and South and West the unhewn boulders stood like guardians of the plain.    From Wordnik.com.  [The Strange Little Girl A Story for Children] Reference

Inside this circle is another of rough unhewn stones of varying shapes and sizes.    From Wordnik.com.  [Wanderings in Wessex An Exploration of the Southern Realm from Itchen to Otter] Reference

Back then, perhaps, the trees grew more thickly in the altitudes, unhewn and unfired.    From Wordnik.com.  [Virginity] Reference

They distinguish between bricks, half bricks, squared hewn stones, and rough or unhewn.    From Wordnik.com.  [From the Talmud and Hebraica] Reference

On the other side of our route we observed a forest of upright stones, rough and unhewn.    From Wordnik.com.  [Lippincott's Magazine, Vol. 22, September, 1878] Reference

Then they took unhewn stones, as the law directs, and built a new altar like the former one.    From Wordnik.com.  [Archive 2005-12-01] Reference

A Siberian barrow, described by Demidov, contained three contiguous chambers of unhewn stone.    From Wordnik.com.  [Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon"] Reference

The first specimens of Greek sculpture were rough, unhewn wooden representations of the gods.    From Wordnik.com.  [Mosaics of Grecian History] Reference

In all their structures they employ materials quite gross and unhewn, void of fashion and comeliness.    From Wordnik.com.  [Tacitus on Germany] Reference

It runs for about 36 feet, being 6 feet high and nearly as wide, and is formed of rugged unhewn blocks.    From Wordnik.com.  [The Cornwall Coast] Reference

It was built of large unhewn logs, notched at the ends and laid one upon the other, with the bark still on.    From Wordnik.com.  [Among the Pines or, South in Secession Time] Reference

The walls were merely unhewn logs, divested of the bark, and filled in with a tenacious clay resembling mortar.    From Wordnik.com.  [The Knight of the Golden Melice A Historical Romance] Reference

As to the commandment to make the altar of earth, or of unhewn stones, this was given in order to remove idolatry.    From Wordnik.com.  [Summa Theologica, Part III (Tertia Pars) From the Complete American Edition] Reference

Stones of a cubical form, which were originally unhewn, by which the Greeks at first represented all their deities.    From Wordnik.com.  [The Symbolism of Freemasonry] Reference

It was built out of the south edge of the valley in a bay defended against flood by a massive wall of unhewn stone.    From Wordnik.com.  [Seven Pillars of Wisdom] Reference

It was built of unhewn logs, its crevices chinked with clay, and was large enough to seat about two hundred persons.    From Wordnik.com.  [The Continental Monthly, Vol. 3 No 2, February 1863 Devoted To Literature And National Policy] Reference

The larger stones or "sarsens" are natural to the Marlborough Downs, but the unhewn or "blue" stones are mysterious.    From Wordnik.com.  [Wanderings in Wessex An Exploration of the Southern Realm from Itchen to Otter] Reference

Round the front of the cavern was a wide court-yard rudely fenced with huge blocks of stone and unhewn trunks of trees.    From Wordnik.com.  [Stories from the Odyssey] Reference

The cloth, on being withdrawn, exposed to view nothing but unhewn logs, and a recess of a few feet, containing a rude couch.    From Wordnik.com.  [The Knight of the Golden Melice A Historical Romance] Reference

The hulls are oiled and afloat; they carry from the woodland green boughs for oars and massy logs unhewn, in hot haste to go.    From Wordnik.com.  [The Aeneid of Virgil] Reference

For a stone unhewn has been set up for Neptune, and diverse other shapes far different from the shapes they conceived of their gods.    From Wordnik.com.  [Leviathan] Reference

Six very large slabs of rough unhewn limestone, which had obviously come from Jebel Dukhan, lay on the top of the tomb, forming a roof.    From Wordnik.com.  [Southern Arabia] Reference

In the next zone are wheat, chestnut, walnut, apple, pear, and cherry trees, cultivated on terraces supported by low stone walls of rough unhewn stones.    From Wordnik.com.  [The South of France—East Half] Reference

The roofs are generally flat; the walls, almost destitute of windows, are rough with unhewn stones; and many of the houses lie half buried under the rocky mountain side.    From Wordnik.com.  [Life of Schamyl And Narrative of the Circassian War of Independence Against Russia] Reference

He had at first intended that the cabin should be constructed by his own hands alone, of rough, unhewn timber; that it should contain only one room, and that of the simplest.    From Wordnik.com.  [Kiddie the Scout] Reference

Judging by what I saw, London stone was a rudely shaped and unhewn post.    From Wordnik.com.  [Passages from the English Notebooks, Volume 1.] Reference

To each is given iron and unhewn timber, to some more and to some less, with which to fashion his craft.    From Wordnik.com.  [Letters of Franklin K. Lane] Reference

For a Stone unhewn has been set up for Neptune, and divers other shapes far different from the shapes they conceived of their Gods.    From Wordnik.com.  [Leviathan] Reference