from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of several grasses of the genus Cenchrus, especially C. tribuloides, of the eastern United States and tropical America, having a spiny burlike envelope that surrounds several one-grained spikelets.
- n. The burlike envelope of any of these plants.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of several grasses, of the genus Cenchrus, found in the south-eastern United States, that has a spiny burr
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. grass of the eastern United States and tropical America having spikelets enclosed in prickly burs
sand + bur (Wiktionary)