hectare Meaning, Definition & Usage
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noun (abbreviated `ha') a unit of surface area equal to 100 ares (or 10,000 square meters)
WordNet
Hec"tare` noun
Etymology
F., fr. Gr. hundred + F.Definitions
A measure of area, or superficies, containing a hundred ares, or 10,000 square meters, and equivalent to 2.471 acres.