sweetbrier noun1 •A Eurasian rose (Rosa rubiginosa, syn. Rosa eglanteria), having prickly stems, fragrant leaves, pink flowers, and red hips.But some woods are more coquettish in their habits; and the breath of the forest of Mormal, as it came aboard upon us that showery afternoon, was perfumed with nothing less delicate than sweetbrier. — 1878 formssweetbriers