noun🔗ShareAreAn accepted (but deprecated and rarely used) SI unit of area equal to 100 square metres, or a former unit of approximately the same extent. Symbol: a.""The small community garden was measured as just over two ares in size, though modern measurements would use square meters instead." "Le petit jardin communautaire a été mesuré à un peu plus de deux ares, bien que les mesures modernes utiliseraient des mètres carrés à la place.areaunitmathscienceChat with AIVocabulary GamePractice Reading