n. a composite plant, Taraxacum officinale, with jagged leaves and a large bright-yellow flower on a hollow stalk, followed by a globular head of seeds with downy tufts. dandelion clock the downy seed-head of a dandelion. dandelion coffee dried and powdered dandelion roots; a drink made from this.
[ F dent-de-lion transl. med.L dens leonis lion's tooth ]