bourtree

Noun

bour=tree

WORDNET DICTIONARY

bourtree(n = noun.plant) black elder, common elder, elderberry, european elder, sambucus nigra - a common shrub with black fruit or a small tree of Europe and Asia; fruit used for wines and jellies;

is a kind of elder, elderberry bush

bourtree, n.

common black-fruited shrub or small tree (Sambucus nigra) of Europe and Asia; -- the fruit is used for wines and jellies. [WordNet 1.5]