Noun; the perceptible natural movement of the air, esp. in the form of a current of air blowing from a particular direction; relating to or denoting energy obtained from harnessing the wind with windmills or wind turbines; used to suggest something very fast, unrestrained, or changeable; used in reference to an influence or tendency that cannot be resisted; used in reference to an impending situation; the rush of air caused by a fast-moving body; a scent carried by the wind, indicating the presence or proximity of an animal or person.