bronchus bronchovesicular • bronco · · · Info · Definitions · Synonyms · Characters · · bronchus · · Text Latin · · Script 8 · · Length 2 · · Syllables Definitions · · · (noun) either of the two main branches of the trachea. Synonyms: bronchial tube. · · Noun Definition 1 Synonyms · · · bronchial tube · · Synonym 1 Characters · · b latin small letter b U+0062 c latin small letter c U+0063 h latin small letter h U+0068 n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075