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calypso, in music

(Encyclopedia)calypso, a form of folk song developed on the island of Trinidad and also popular in other Caribbean countries. Thought to have begun with 19th-century black slaves, calypso songs developed and contin...

buffalo, in zoology

(Encyclopedia)buffalo, name commonly applied to the American bison but correctly restricted to certain related African and Asian mammals of the cattle family. The water buffalo, or Indian buffalo, Bubalus bubalis, ...

bug, in zoology

(Encyclopedia)bug, common name correctly applied to insects belonging to the order Hemiptera, although members of the order Homoptera (e.g., mealybug) are sometimes referred to as bugs, as are other insects in gene...

bursa, in anatomy

(Encyclopedia)bursa bûrˈsə [key], closed fibrous sac lined with a smooth membrane, producing a viscous lubricant known as synovial fluid. Bursas are found in regions where muscles or tendons rub against other mu...

butte, in geology

(Encyclopedia)butte, an isolated hill with steep sides and a flat top, resulting from the more rapid erosion of the surrounding areas. Buttes are characteristic of the plains of the W United States. See mesa. ...

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