germ tube germ track • gerund grinder · · · Info · Definitions · Synonyms · Characters · · germ tube · · Text Common · · Latin · · Scripts 9 · · Length Definitions · · · (noun) (botany) a slender tubular outgrowth from a spore in germination. · · Noun Definition 1 Synonyms · · · source · · Synonym 1 seed · · Synonym 2 germ · · Synonym 3 microbe · · Synonym 4 bug · · Synonym 5 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 m latin small letter m U+006D r latin small letter r U+0072 t latin small letter t U+0074 u latin small letter u U+0075