The American Heritage® Dictionary of the English Language, 4th Edition
n. A perennial plant of the genus Sanguisorba, having pinnately compound leaves and apetalous flowers. The young leaves are sometimes added to salads as a garnish.
the GNU version of the Collaborative International Dictionary of English
n. A genus of perennial herbs (Poterium); especially, Poterium Sanguisorba, the common, or garden, burnet.
The Century Dictionary and Cyclopedia
Brownish.
n. Cloth dyed of a brown color.
n. The pimpernel, Anagallis arvensis.
n. The common name of species of Poterium, an herbaceous genus of the natural order Rosaceæ.
Word Usage
"Last week I saw burnet roses in the dunes of Northumberland: low scrubby sticks scythed by North Sea winds blooming with constellations of white flowers."