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1. Any of several grasses of the genus Cenchrus, having an inflorescence composed of spikelets enclosed in a spiny burlike involucre and often growing in sandy soil.
2. The spiny, easily detached involucre of any of these plants. In both senses also called sandspur.
1. any of various grasses of the genus Cenchrus, having grains enclosed in prickly burs.
2. any of several bur-bearing weeds growing in sandy places.
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|Noun||1.||sandbur - grass of the eastern United States and tropical America having spikelets enclosed in prickly burs|
grass - narrow-leaved green herbage: grown as lawns; used as pasture for grazing animals; cut and dried as hay