[noun](phonology,orthography,grammar) the tenth and last row of the 五十音図(literally “table of the fifty sounds”), consisting of the five kana わ/ワ(wa), ゐ/ヰ(wi), う/ウ(u) (alternatively, 𛄟(𛄟)/𛄢(wu)), ゑ/ヱ(we) and を/ヲ(wo), one of which is taken from the あ行(“a-row”) to represent classical grammatical inflection in modern text