|a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.|
|a chattering or flighty, light-headed person.|
in cosmology, vast cloud of gas that by contraction and condensation becomes a galaxy of stars. In evolutionary ("big-bang") models of creation, protogalaxies appear early in the expansion phase of the universe; in the steady-state model they are slowly but continually forming from newly created matter
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