noun Download 🔗Share A unit of surface area (symbol ha) equal to 100 ares (that is, 10,000 square metres, one hundredth of a square kilometre, or approximately 2.5 acres), used for measuring the areas of geographical features such as land and bodies of water. Examples : "The farmer owns a field of wheat that covers five hectares. " area geography property unit agriculture Chat with AIVocabulary GamePractice Reading