What does "guelder rose" mean?

A deciduous shrub (Viburnum opulus), having small white flowers.

How do you pronounce "guelder rose"?

Pronounced //ˈɡɛldə(ɹ)ˌɹəʊz//.

Common synonyms include: crampbark, cranberry tree, european cranberry bush, european cranberrybush, viburnum opulus.

/ˈɡɛldə(ɹ)ˌɹəʊz/ noun

noun ·Rare ·Advanced level

Noun

1
A deciduous shrub (Viburnum opulus), having small white flowers.
"My husband bought some guelder roses from an Albanian"
2
deciduous thicket-forming Old World shrub with clusters of white flowers and small bright red berries wordnet

"My husband bought some guelder roses from an Albanian"

Named after the province of Gelderland in the Netherlands. Compare Dutch Gelderse roos.