Longman Dictionary English From Longman Dictionary of Contemporary EnglishRelated topics: Plantsdandelion clockˈdandelion ˌclock noun [countable] British English HBPHBPthe soft ball of white seeds that grows on the dandelion plantExamples from the Corpusdandelion clock• This is similar to the way the down on a dandelion clock seed increases drag. ldoceonline.com
