An acute infectious disease caused by the diphtheria bacterium, typically marked by inflammation of the throat and the formation of a greyish-white membrane. It most commonly affects children during autumn and winter.

(bound form) large rocks projecting into water; a stone reef, jetty, or breakwater; often used in place names

(bound form) any of various medium-sized songbirds of the thrush family, such as the 乌鸫 wū​dōng (common blackbird)