woad wo • woader · · · Info · Definitions · Characters · · woad · · Text Latin · · Script 4 · · Length Definitions · · · (noun) a blue dyestuff obtained from the woad plant. · · Noun Definition 1 (noun) any of several herbs of the genus Isatis. · · Noun Definition 2 Characters · · a latin small letter a U+0061 d latin small letter d U+0064 o latin small letter o U+006F w latin small letter w U+0077