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Saint Thomas, city, Canada

(Encyclopedia)Saint Thomas, city (1991 pop. 29,990), S Ont., Canada, S of London. Originally the center for a rich agricultural area, it became a rail and manufacturing center beginning in the late 1800s. Motor veh...

Campbell, Thomas, American clergyman

(Encyclopedia)Campbell, Thomas, 1763–1854, American clergyman, a founder of the Christian Church (Disciples of Christ). See Campbell, Alexander, his more famous son. ...

Campbell, Thomas, Scottish poet

(Encyclopedia)Campbell, Thomas, 1777–1844, Scottish poet. He is best known for his war poems “Hohenlinden,” “The Battle of the Baltic,” and “Ye Mariners of England.” Among his other volumes of poetry ...

Mayer, Louis Burt

(Encyclopedia)Mayer, Louis Burt, 1885–1957, American movie producer, b. Russia. Mayer began (1907) as the operator of a theater in Haverhill, Mass., gradually gaining control of all the theaters in the city. In 1...

Welsh springer spaniel

(Encyclopedia)Welsh springer spaniel, breed of medium-sized sporting dog developed several centuries ago in Wales. It stands about 17 in. (43.2 cm) high at the shoulder and weighs between 30 and 40 lb (13.6–18.1 ...

snakehead

(Encyclopedia)snakehead, common name for members of the family Channidae, hardy freshwater fish native to S and E Asia and tropical Africa, where they are a popular food fish. Snakeheads are elongated fishes with l...

rosemary

(Encyclopedia)rosemary [ultimately from Lat.,=dew of the sea], widely cultivated evergreen and shrubby perennial (Rosmarinus officinalis) of the family Labiatae (mint family), fairly hardy and native to the Mediter...

ageratum

(Encyclopedia)ageratum ăjˌərāˈtəm, əjĕrˈə– [key] [Gr.,=unaging], any plant of the genus Ageratum, tropical American annuals of the family Asteraceae (aster family). The commonly cultivated species is th...

Irish terrier

(Encyclopedia)Irish terrier, a breed of hardy working terrier developed in the British Isles and believed to be one of the oldest terriers. It stands about 18 in. (46 cm) high at the shoulder and weighs from 25 to ...

greenhouse

(Encyclopedia)greenhouse, enclosed glass house used for growing plants in regulated temperatures, humidity, and ventilation. A greenhouse can range from a small room carrying a few plants over the winter, to an imm...