vairPronunciation: /vɛː/Definition of vair noun [mass noun] 1fur obtained from a variety of red squirrel, used in the 13th and 14th centuries as a trimming or lining for garments. 2 Heraldry fur represented by interlocking rows of shield-shaped or bell-shaped figures which are typically alternately blue and white, as a tincture. Origin: Middle English: via Old French from Latin varius (see various)vair in other Oxford dictionaries Definition of vair in the US English dictionary