Guelderrose'
Guelderrose' , noun
[Supposed to be brought from Guelderland; hence, Dutch Geldersche roos, German Gelderische rose, French rose de Gueldre, Italian rose di Gueldra, Sp. rosa de Gueldres.]
(Botany) A cultivated variety of a species of Viburnum (V. Opulus), bearing large bunches of white flowers; -- called also snowball tree.