From French dent-de-lion (“lion's tooth”), also in Late Latin dēns leōnis. The term has since died out in French (except in Swiss French), but compare Spanish diente de león, Italian dente di leone, Norwegian løvetann, Portuguese dente-de-leão, and also German Löwenzahn, all having the same literal meaning.
- (countable) Any of the several species of plant in the genus Taraxacum, characterised yellow flower heads and notched, broad-ended leaves, especially the common dandelion (Taraxacum officinale).
- (countable) The flower head or fruiting head of the dandelion plant.
- (uncountable) A yellow colour, like that of the flower.
Derived terms 
- Taraxacum albidum, a white-flowering Japanese dandelion.
- Taraxacum californicum, the endangered California dandelion.
- Taraxacum japonicum, Japanese dandelion. No ring of smallish, downward-turned leaves under the flowerhead.
- Taraxacum kok-saghyz, Russian dandelion, which produces rubber.
- Taraxacum laevigatum, Red-seeded dandelion; achenes reddish brown and leaves deeply cut throughout length. Inner bracts' tips are hooded.
- Taraxacum officinale (syn. Taraxacum officinale subsp. vulgare), common dandelion. Found in many forms.
dandelion (not comparable)
- Of a yellow colour, like that of the flower.