A large antique medal.

大奖牌；大纪念碑。

A framed decorative tablet or panel bearing a figure or design drawn, sculptured, or engraved.

雕饰牌。

Anything resembling such a tablet.

牌形物。

A license or permit to operate a taxicab, issued in the form of a medallion which is purchased by the licensee.

【美】计程车牌照(经营计程车的牌照，是一圆形雕饰，由领执照者付款购买)。

A taxicab driver with such a license.

有牌照的计程车司机。