Oil, extracted from the seeds of the evening primrose, used as a complementary medicine (for example, to relieve premenstrual stress).

The hot pungent oil expressed from mustard seeds; used sparingly as a food dressing. / (organic chemistry) The essential oil allyl isothiocyanate, also obtained from mustard seeds.

A fabric or cloth treated on one side with a waterproof covering, especially one made from linseed oil etc.; used for flooring, tablecloths, kitchen shelves and sometimes furniture covering.

Oil extracted from sesame seeds (often after roasting) and used to flavor foods.

(idiomatic) Something (especially a minor thing) which ruins or spoils everything else, or makes it less pleasant; a nuisance or problem; a disagreeable or unpleasant detail.

An oil, from the ylang ylang tree (Cananga odorata). / A mixture, once used to smooth the hair, consisting of oil of the ylang ylang tree and other oils.

(slang, Britain) a member of the lower classes.

A cooking ingredient consisting of flavorless oil infused with truffle.

(sumo) The elaborate hairstyle, resembling a gingko leaf, worn by sekitori during bouts and on ceremonial occasions.

(idiomatic) To calm, appease or quieten a person or situation.