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pigweed

(Encyclopedia)pigweed, name for several weedy plants, particularly the common pigweed or lamb's-quarters of the family Chenopodiaceae (goosefoot family), the rough pigweed, or green amaranth, of the related family ...

Cassiopeia, in astronomy

(Encyclopedia)Cassiopeia, in astronomy, prominent northern constellation located almost directly opposite the Big Dipper across the north celestial pole. Five bright stars in the constellation form a rough W (or M)...

match

(Encyclopedia)match, small stick whose chemically coated tip bursts into flame when struck on a rough surface. Before the introduction of the match, fire was made by friction methods using the stick and the groove,...

San Angelo

(Encyclopedia)San Angelo săn ănˈjəlō [key], city (1990 pop. 84,474), seat of Tom Green co., W Tex., where two forks join to form the Concho River; laid out 1869, inc. 1903. It is an important wool and mohair m...

disk plow

(Encyclopedia)disk plow or disk, farm implement employing a row or rows of concave circular steel disks that cut and pitch the soil in a way somewhat similar to a moldboard plow. It can be used in many situations w...

Eskimo art

(Encyclopedia)Eskimo art. The art of the Eskimo peoples arose some 2,000 years ago in the Bering Sea area and in Canada. Traditional art consisted of small utilitarian objects, such as weapons and tools, as well as...

breakwater

(Encyclopedia)breakwater, offshore structure to protect a harbor from wave energy or deflect currents. When it also serves as a pier, it is called a quay; when covered by a roadway it is called a mole. In the Unite...

Burma Road

(Encyclopedia)Burma Road, in China and Myanmar, extending from the railhead of Lashio, Myanmar, to Kunming, Yunnan prov., China. About 700 mi (1,130 km) long and constructed through rough mountain country, it was a...

bluegrass

(Encyclopedia)bluegrass, any species of the large and widely distributed genus Poa, chiefly range and pasture grasses of economic importance in temperate and cool regions. In general, bluegrasses are perennial with...

Lewis, John Robert

(Encyclopedia)Lewis, John Robert, 1940–2020, African-American politician and civil-rights leader, b. near Troy, Ala., B.A. American Baptist Theological Seminary, 19...