'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