Definition of "dandelion"

(countable) Any of the several species of plant in the genus Taraxacum, characterised by yellow flower heads and notched, broad-ended leaves, especially the common dandelion (Taraxacum officinale).  examples

(countable) The flower head or fruiting head of the dandelion plant.  examples

(uncountable) A yellow colour, like that of the flower.  examples

Of a yellow colour, like that of the flower.  examples