adjective ru·big·i·nous \(ˈ)rü¦bijənəs\
variants: less commonly



Definition of rubiginous

  1. :  of or marked with a rusty red color :  ferruginous

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Origin and Etymology of rubiginous

Latin robiginosus, rubiginosus rusty, from robigin-, rubigin-, robigo, rubigo + -osus -ose; akin to Latin ruber red

First Known Use: circa 1727

Seen and Heard

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a rounded knoll or a ridge of ice

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