A scarf that is worn looped or tied around the neck.

(biochemistry) Any of a class of enzymes that catalyse the oxidation of polyunsaturated fatty acids

A retiree, especially one who has retired later than the normal retirement age

Any coarse weedy herb. / An umbelliferous plant, of genus Heracleum, most species of which are phototoxic. / Certain plants from the genera Ambrosia, Erigeron, or Heracleum.