noun Ceph·a·leu·ros \ˌsefəˈlu̇rəs\

Definition of Cephaleuros

  1. :  a genus of epiphytic and parasitic green algae (family Trentepohliaceae) that includes the causative organism of red rust

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Origin and Etymology of cephaleuros

New Latin, from cephal- + Greek eurōs mold, mustiness; perhaps akin to Latin operire to cover — more at weir

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to cast off or become cast off

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