rose geranium ro·se·ge·ranium uncommon noun 1. any of several southern African geraniums having fragrant three-lobed to five-lobed leaves and pink flowers Synonymsrose geraniumsweet-scented geraniumPelargonium graveolens Related words Broader terms geranium Parts Pelargonium WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
