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Pronunciation varies by accent · noun
Any of the coarse composite weeds of the genus Xanthium, with a prickly fruit..
Fig. 1.—Spiculated pollens of ragweeds (ambrosias) low in protein. […] In the cocklebur (Xanthium americanum) and the rough wild elder (Iva ciliata), the spicules are shorter, being 0.7 and 0.5 microns, and the reaction is proportionately less active than with the ragweeds (ambrosias). […] While the grass pollens have so light a coat that they are frequently crushed in the ordinary process of mounting, the ragweed (ambrosias) pollen grains resist pressure between two glass slides carried to the point of crushing the glass.
These burrs stuck to the tails of the cows as they walked by, and were brought to the cowpen, the cowtails greatly enlarged by the huge amount of cockleburs stuck on them.
Use cocklebur when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Cocklebur means Any of the coarse composite weeds of the genus Xanthium, with a prickly fruit..
Common synonyms include clotbur, great burdock, cockleburr, arctium lappa.
The opposite depends on the specific sense.
Fig. 1.—Spiculated pollens of ragweeds (ambrosias) low in protein. […] In the cocklebur (Xanthium americanum) and the rough wild elder (Iva ciliata), the spicules are shorter, being 0.7 and 0.5 microns, and the reaction is proportionately less active than with the ragweeds (ambrosias). […] While the grass pollens have so light a coat that they are frequently crushed in the ordinary process of mounting, the ragweed (ambrosias) pollen grains resist pressure between two glass slides carried to the point of crushing the glass.
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