Unit of land area (7)
(Other definitions for hectare that I've seen before include "Teacher of metric land measure" , "Some land in France" , "Ten thousand square metres" , "The race (anag) - unit of area" , "10,000 square metres" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">unit of land area</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for acre that I've seen before include "amount of land" , "Unit of area of 4,840 square yards" , "marine location in Israel" , "Ancient city in Israel" , "Middle East port" .)