Rosa eglanteria ro·saeg·lan·teria uncommon noun 1. Eurasian rose with prickly stems and fragrant leaves and bright pink flowers followed by scarlet hips SynonymssweetbriersweetbriarbrierbriareglantineRosa eglanteria Related words Broader terms rose WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.