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Ordovician period

(Encyclopedia)Ordovician period ôrdəvĭshˈən [key] [from the Ordovices, ancient tribe of N Wales], second period of the Paleozoic era of geologic time (see Geologic Timescale, tablegeologic timescale, table) fr...

coyote

(Encyclopedia)coyote kīˈōt, kīōˈtē [key] or prairie wolf, small, swift wolf, Canis latrans, native to W North America. Historically found in deserts, prairies, open woodlands, and brush country, it is increa...

sturgeon

(Encyclopedia)sturgeon, primitive fish of the northern regions of Europe, Asia, and North America. Unlike evolutionarily advanced fishes, it has a fine-grained hide, with very reduced scalation, a mostly cartilagin...

Sioux

(Encyclopedia)Sioux or Dakota, confederation of Native North American tribes, the dominant group of the Hokan-Siouan linguistic stock, which is divided into several separate branches (see Native American languages)...

sediment

(Encyclopedia)sediment, mineral or organic particles that are deposited by the action of wind, water, or glacial ice. These sediments can eventually form sedimentary rocks (see rock). Sediments form sedimentary ...

Springsteen, Bruce Frederick

(Encyclopedia)Springsteen, Bruce Frederick, 1949–, American singer, guitarist, and songwriter, nicknamed “The Boss,” b. Long Branch, N.J. Springsteen established himself as a singer and songwriter, as well as...

Rephidim

(Encyclopedia)Rephidim rĕfˈĭdĭm, rēfĭdˈĭm [key], in the Bible, unlocated place in Sinai where Moses struck the rock and brought forth water. ...

roller

(Encyclopedia)roller, common name for brightly colored Old World birds noted for performing somersaults in flight. They include the rollers proper (subfamily Coraciinae) and ground rollers (subfamily Brachypteracii...

Coeur d'Alene, indigenous people of North America

(Encyclopedia)Coeur d'Alene kûrdəlānˈ [key], indigenous people of North America whose language belongs to the Salishan branch of the Algonquian-Wakashan linguistic stock (see Native American languages). They oc...

Hooker, John Lee

(Encyclopedia)Hooker, John Lee, 1917–2001, American blues singer and guitarist, b. near Clarksdale, Miss. From a cotton-sharecropping family, he learned the blues from his stepfather and various visiting Delta bl...