hectare
noun /ˈhekteə(r)/, /ˈhektɑː(r)/
/ˈhekter/
(abbreviation ha)
- a unit for measuring an area of land; 10 000 square metres or about 2.5 acresTopics Maths and measurementc1Word Originearly 19th cent.: from French, formed irregularly from Greek hekaton ‘hundred’ + are2.