winkers UK /ˈwɪŋkəz/US /ˈwɪŋkɚz/ noun[plural only]2 •blocked leather eye shields attached to a (usually) harness bridle for horses, to prevent them from seeing backwards, and partially sideways; blinders in (USA). •a fleece cover wrapped around the cheek strap of a racing bridle to limit the rear vision of racehorses.