A windmill is a machine that converts the energy of wind into rotational energy by means of vanes called sails.Mill definitionWindmill definition stating that a windmill is a mill or machine operated by the wind Originally, windmills were developed for milling grain for food production.
fight windmillswindmill meaning: Noun: windmill 'wind`mil A mill that is powered by the wind Generator that extracts usable energy from winds - aerogenerator , wind generator Derived forms: windmills ...