'Blowball' definitions:

Definition of 'blowball'

From: WordNet
noun
Any of several herbs of the genus Taraxacum having long tap roots and deeply notched leaves and bright yellow flowers followed by fluffy seed balls [syn: dandelion, blowball]

Definition of 'Blowball'

From: GCIDE
  • Blowball \Blow"ball`\, n. The downy seed head of a dandelion, which children delight to blow away. --B. Jonson. [1913 Webster] blowby