thyrse thyroxine • thyrsiflorous · · · Info · Definitions · Synonyms · Characters · · thyrse · · Text Latin · · Script 6 · · Length Definitions · · · (noun) a dense flower cluster (as of the lilac or horse chestnut) in which the main axis is racemose and the branches are cymose. Synonyms: thyrsus. · · Noun Definition 1 Synonyms · · · thyrsus · · Synonym 1 Characters · · e latin small letter e U+0065 h latin small letter h U+0068 r latin small letter r U+0072 s latin small letter s U+0073 t latin small letter t U+0074 y latin small letter y U+0079