Dictionary.net

• thorny Eurasian shrub of small tree having dense clusters of white to scarlet flowers followed by deep red berries; established as an escape in eastern North America

2006 - WordNet 3.0
By Princeton University

• thorny Eurasian shrub of small tree having dense clusters of white to scarlet flowers followed by deep red berries; established as an escape in eastern North America

2011 - English Dictionary Database
By DataStellar Co., Ltd