noun
five-seven syllable meter
Refers to the traditional Japanese poetic meter based on alternating lines of five and seven syllables, as used in waka and other classical forms.
和歌は五七調を基本としている。
Waka poetry is fundamentally based on the five-seven syllable meter.
この詩は五七調で書かれている。
This poem is written in five-seven syllable meter.