Hectare

['hekteə;-ɑː] or ['hɛktɛr]

(noun.) (abbreviated `ha') a unit of surface area equal to 100 ares (or 10,000 square meters).

Inputed by Jules--From WordNet

(n.) A measure of area, or superficies, containing a hundred ares, or 10,000 square meters, and equivalent to 2.471 acres.

Checker: Michelle