a blue-gray shark, Carcharinus obscurus, of warm Atlantic and eastern Pacific seas, reaching a length of 12 feet (3.7 meters).
[doo s-uh l-dawrf; German dys-uh l-dawrf] /ˈdʊs əlˌdɔrf; German ˈdüs əlˌdɔrf/ noun 1. a port in and the capital of North Rhine–Westphalia, in W Germany, on the Rhine. [rahyn-west-fey-lee-uh, -feyl-yuh] /ˈraɪn wɛstˈfeɪ li ə, -ˈfeɪl yə/ noun 1. a state in W Germany; formerly a part of Rhine province. 13,154 sq. mi. (34,070 sq. km). […]
noun 1. Chiefly Northern and North Midland U.S. a ball or roll of dust and lint that accumulates indoors, as in corners or under furniture.
noun 1. the action of a bird of driving dust into its feathers, which may dislodge parasites
[duhst-beyth] /ˈdʌstˌbeɪð/ verb (used without object), dust-bathed, dust-bathing. Animal Behavior. 1. (of a bird) to squat in dusty soil and fluff dust through the plumage: probably performed to combat ectoparasites.