(geology) A large, semi-permanent mound of windblown sand, held together by specialized plants, common along seashores and in deserts.

(idiomatic) To adapt to something naturally and effortlessly.

A period of time during which a person is obliged to be a member of a panel of people who may be called as members of one or more juries.

A collection of busbars, in an enclosed unit, that distributes large amounts of electrical power

A twin-clutch gearbox

An exclamation of surprise.

plural of lame duck

(idiomatic) All or nothing. Probably derived from "shoot duck or no dinner".

(law, idiomatic) A duty prescribed by the law, to act or forbear from acting.

plural of dust bunny