SINCE 1828

An Encyclopædia Britannica Company

Medical Dictionary

bourtree

noun bour·tree \ ˈbu̇(ə)r-(ˌ)trē , ˈbȯ(ə)r- \

medical Definition of bourtree

British

: a large Eurasian black-fruited elderberry (Sambucus nigra) formerly valued as a source of dyestuffs and of several folk remedies

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