1. plural of decare; a metric unit of area equal to 10 ares or 1,000 square meters
Usage: metric; technical; rarely used in everyday English

Examples

• The agricultural land was measured in decares for the official survey.
• One decare equals approximately 0.01 hectares.
• The farmer's property covered several decares of fertile soil.
• In some European countries, land area is still expressed in decares.