blue gum blue-grey • blue-gum leaves · · · Info · Definitions · Synonyms · Characters · · blue gum · · Text Common · · Latin · · Scripts 8 · · Length 2 · · Syllables Definitions · · · (noun) tall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish. Synonyms: blue gum, fever tree, Eucalyptus globulus. · · Noun Definition 1 Synonyms · · · fever tree · · Synonym 1 eucalyptus globulus · · Synonym 2 Characters · · space U+0020 b latin small letter b U+0062 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C m latin small letter m U+006D u latin small letter u U+0075