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ovenbird

(Encyclopedia)ovenbird, common name for a member of the family Furnariidae, primitive passerine birds, which build elaborate, domed nests of clay or dig tunnels in the ground to lay their eggs. Ovenbirds are most c...

Della Robbia

(Encyclopedia)Della Robbia dĕlˌə rŏbˈēə, Ital. dĕlˈlä rôbˈbyä [key], Florentine family of sculptors and ceramists famous for their enameled terra-cotta or faience. Many of the Della Robbia pieces are s...

mortar, in building

(Encyclopedia)mortar, in building, mixture of lime or cement with sand and water, used as a bedding and adhesive between adjacent pieces of stone, brick, or other material in masonry construction. Lime mortar, a co...

reservoir

(Encyclopedia)reservoir rĕzˈəvôr, –vwär [key], storage tank or wholly or partly artificial lake for storing water. Building an embankment or dam to preserve a supply of water for irrigation is an ancient pra...

soil

(Encyclopedia)soil, surface layer of the earth, composed of fine rock material disintegrated by geological processes; and humus, the organic remains of decomposed vegetation. In agriculture, soil is the medium that...

Alexander III, pope

(Encyclopedia)Alexander III, d. 1181, pope (1159–81), a Sienese named Rolandus [Bandinelli?], successor of Adrian IV. He was a canonist who had studied law under Gratian and had taught at Bologna. He came to Rome...

Marcus Aurelius

(Encyclopedia)Marcus Aurelius (Marcus Aelius Aurelius Antoninus) märˈkəs ôrēˈlēəs [key], 121–180, Roman emperor, named originally Marcus Annius Verus. He was a nephew of Faustina, the wife of Antoninus Pi...

drainage, in agriculture

(Encyclopedia)drainage, in agriculture, the removal of excess water from the soil, either by a system of surface ditches, or by underground conduits if required by soil conditions and land contour. Diesel or centri...

cofferdam

(Encyclopedia)cofferdam, temporary barrier for excluding water from an area that is normally submerged. Made commonly of wood, steel, or concrete sheet piling (see pile), cofferdams are used in constructing the fou...

Harvey, George Brinton McClellan

(Encyclopedia)Harvey, George Brinton McClellan, 1864–1928, American journalist and diplomat, b. Peacham, Caledonia co., Vt. After a career in journalism and insurance, he became involved in the construction and a...