topmast topman • topmost · · · Info · Definitions · Characters · · topmast · · Text Latin · · Script 7 · · Length Definitions · · · (noun) the mast next above a lower mast and topmost in a fore-and-aft rig. · · Noun Definition 1 Characters · · a latin small letter a U+0061 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073 t latin small letter t U+0074