1. Plural of decametre; units of length equal to 10 metres.
Usage: British spelling; American English uses 'decameters'; metric unit of measurement

Examples

• The field measured 5 decametres in length.
• A decametre is equivalent to approximately 32.8 feet.
• The race course was marked in decametres for easy measurement.
• The surveyor recorded distances in decametres.
• Each decametre on the map represented a specific distance on the ground.