The Collaborative International Dictionary
Rose water \Rose" wa`ter\ Water tinctured with roses by distillation.
Wiktionary
n. The water-soluble portion of the distillate of rose petals.
WordNet
n. perfume consisting of water scented with oil of roses
Wikipedia
Rose water is a flavoured water made by steeping rose petals in water. It is the hydrosol portion of the distillate of rose petals, a by-product ( co-product) of the production of rose oil for use in perfume. It is used to flavour food, as a component in some cosmetic and medical preparations, and for religious purposes throughout Europe and Asia. Rose syrup (not to be confused with rose hip syrup) is made from rose water, with sugar added.
Usage examples of "rose water".
Then the maid took a small cloth from the pouch at her belt and moistened it with rose water from a small flask, also from the pouch.