rus·​tre | \ ˈrəstə(r) \
plural -s

Definition of rustre

1 heraldry : a lozenge pierced with a round opening to show the tincture of the field behind
2 : a metal scale of oval or lozenge shape used on medieval armor

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First Known Use of rustre

1664, in the meaning defined at sense 1

History and Etymology for rustre

French ruste, rustre

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The first known use of rustre was in 1664

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Cite this Entry

“Rustre.” Dictionary, Merriam-Webster, Accessed 19 Feb. 2020.

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