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WordReference Random House Unabridged Dictionary of American English © 2024sand•bur (sand′bûr′),USA pronunciation n. - Plant Biologyany of various grasses of the genus Cenchrus, having spikelets enclosed in prickly burs.
- Plant Biologyany of several bur-bearing weeds growing in sandy places, as Franseria acanthicarpa or Solanum rostratum, of the western U.S.
Also, sand′burr′. - sand + bur1 1820–30, American.
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