white card noun4 •A card similar to the red card and yellow card, but used to acknowledge sportmanship or fair play. •(Australia) A mandatory card required in Australia to order to work on a construction site. •A card that has to be filled up when entering Singapore from Malaysia through the Johor-Singapore Causeway. •(Hong-Kong) A citizen-owned automobile used as an illegal unlicensed taxi. formswhite cards
