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spruce

(Encyclopedia)spruce, any plant of the genus Picea, evergreen trees or shrubs of the family Pinaceae (pine family) widely distributed in the Northern Hemisphere. The needles are angular in cross section, rather tha...

Morgenthau, Henry

(Encyclopedia)Morgenthau, Henry môrˈgənthô [key], 1856–1946, American banker, diplomat, and philanthropist, b. Germany; father of Henry Morgenthau, Jr. He emigrated to the United States as a boy. Later, he pr...

bull mastiff

(Encyclopedia)bull mastiff măstˈĭf [key], breed of powerful working dog developed in England in the second half of the 19th cent. It stands from 24 to 27 in. (61–68.6 cm) high at the shoulder and weighs from 1...

Kouchner, Bernard

(Encyclopedia)Kouchner, Bernard bârnärˈ ko͞oshnârˈ [key], 1939–, French physician, diplomat, and politician. A gastroenterologist by training, he earned his medical degree in France in the late 1960s. He pr...

barn

(Encyclopedia)barn, abbr. b, in physics, unit of nuclear cross section, i.e., the effective target presented by a nucleus for collisions leading to nuclear reactions; it is equal to 10−24 square centimeters. The ...

prisoner of war

(Encyclopedia)prisoner of war, in international law, person captured by a belligerent while fighting in the military. International law includes rules on the treatment of prisoners of war but extends protection onl...

Red River, rivers, United States and Canada

(Encyclopedia)Red River. 1 River, 1,222 mi (1,967 km) long, southernmost of the large tributaries of the Mississippi River. It rises in two branches in the Texas Panhandle and flows SE between Texas and Oklahoma an...

fund-raising

(Encyclopedia)fund-raising, large-scale soliciting of voluntary contributions, especially in the United States. Fund-raising is widely undertaken by charitable organizations, educational institutions, and political...

Livonian Brothers of the Sword

(Encyclopedia)Livonian Brothers of the Sword or Livonian Knights lĭvōˈnēən [key], German military and religious order, founded in 1202 by Bishop Albert of Livonia for the purpose of conquest and Christianizati...

Katyn

(Encyclopedia)Katyn kətĭnˈ [key], village, W central European Russia, 12 mi (19 km) W of Smolensk. During World War II, when it was part of the USSR, it was occupied by the Germans in Aug., 1941. In 1943 the Ger...