Vair

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Vair (/vɛər/; from Latin varius "variegated"), originating as a processed form of squirrel fur, gave its name to a set of different patterns used in heraldry. Heraldic vair represents a kind of fur common in the Middle Ages, made from pieces of the greyish-blue backs of squirrels sewn together with pieces of the animals' white underbellies. Vair is the second-most common fur in heraldry, after ermine.^{[citation needed]}