wedge-formed

Plain arches are built of uncut bricks, and since the difference between the outer and inner periphery of the arch requires the parts of which an arch is made up to be wedge-formed, which an ordinary brick is not, the difference must be made in mortar, with the result that the joints become wedge-shaped.

Encyclopaedia Britannica, 11th Edition, Volume 4, Part 3 "Brescia" to "Bulgaria" Various

Stalk twelve feet or more in height, with large, luxuriant foliage; ears single, often in pairs, short and very thick, sixteen to twenty-two rowed; kernel remarkably large, milk-white, wedge-formed, indented at the outer end; cob red.

The Field and Garden Vegetables of America Containing Full Descriptions of Nearly Eleven Hundred Species and Varietes; With Directions for Propagation, Culture and Use. Fearing Burr

You will understand how difficult it was to guess at the meaning of these figures but the patient labors of a German schoolmaster by the name of Grotefend was at last rewarded and thirty years after the first publication of Niebuhr's texts and three centuries after the first discovery of the wedge-formed pictures, four letters had been deciphered.

Ancient Man The Beginning of Civilizations Hendrik Willem Van Loon 1913

If an architect were to rear a noble and commodious edifice without the use of cut stone, by selecting from the fragments at the base of a precipice wedge-formed stones for his arches, elongated stones for his lintels, and flat stones for his roof, we should admire his skill, and regard him as the paramount power.

The Best of the World's Classics, Restricted to Prose, Vol. VI (of X)—Great Britain and Ireland IV Various 1885

In the deep cutting in the road which enters into the enclosure around the Government House, one of these breaks appears at the apex of the hill, dividing its sides, which here incline towards the centre, exposing a wedge-formed supplementary part that fills up the interstice.

The Life of Thomas, Lord Cochrane, Tenth Earl of Dundonald, Vol. II Thomas Barnes Cochrane Dundonald 1873

None of the obsidians of the Peak appear in those grey masses of pearl or lavender-blue, striped, and in separate wedge-formed pieces, like the obsidian of Quito, Mexico, and Lipari, and which resemble the fibrous plates of the crystalites of our glass-houses, on which Sir James Hall,

Travels to the Equinoctial Regions of America 1851

In all others, as far as I have seen, they are in packets of four; and these packets cohere into many wedge-formed masses in Orchis, into eight, four, and finally two.

More Letters of Charles Darwin — Volume 2 Charles Darwin 1845

Peak appear in those grey masses of pearl or lavender-blue, striped, and in separate wedge-formed pieces, like the obsidian of

Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 1 Alexander von Humboldt 1814

If it were explained to a savage utterly ignorant of the art of building how the edifice had been raised stone upon stone, and why wedge-formed fragments were used for the arches, flat stones for the roof, etc.; and if the use of each part and of the whole building were pointed out, it would be unreasonable if he declared that nothing had been made clear to him, because the precise cause of the shape of each fragment could not be told.

The Best of the World's Classics, Restricted to Prose, Vol. VI (of X)—Great Britain and Ireland IV Various 1885

If it were explained to a savage utterly ignorant of the art of building, how the edifice had been raised stone upon stone, and why wedge-formed fragments were used for the arches, flat stones for the roof, etc.; and if the use of each part and of the whole building were pointed out, it would be unreasonable if he declared that nothing had been made clear to him, because the precise cause of the shape of each fragment could not be told.

Library of the World's Best Literature, Ancient and Modern — Volume 11 Charles Dudley Warner 1864