Definition of "hectare"

hectare

/ˈhɛk.tɛə/

noun
plural hectares
1. 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.
  Quotations
  With careful planning almost anyone can turn the dream of owning a small farm or a few hectares of country land into a reality.
  1997, “Buying a Rural Property”, in Back to Basics, Surry Hills, NSW: Reader's Digest (Australia) Pty Limited, page 10
  Last year 1m square metres of plant-covered roofing was built in France, as much as in the US, and 10 times more than in Germany, the pioneer in this field. In Paris 22 hectares of roof have been planted, out of a potential total of 80 hectares.
  2013 May 10, Audrey Garric, “Urban canopies let nature bloom”, in The Guardian Weekly‎, volume 188, number 22, page 30