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rustre

noun
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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Dictionary Entries near rustre

rust mite

rustproof

rustproofer

rustre

rustred

rust tan

rusty

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Time Traveler for rustre

The first known use of rustre was in 1664

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