noun
linked verse; renku
A traditional Japanese poetic form in which multiple poets compose alternating stanzas, typically in a 5-7-5 and 7-7 syllable pattern. Often used in the context of renga or haikai no renga.
連句の会に参加して、初めて句を詠んだ。
I participated in a renku gathering and composed a verse for the first time.
芭蕉は多くの優れた連句を残している。
Basho left behind many excellent linked-verse works.
From 連 (ren, 'linked') + 句 (ku, 'phrase' or 'verse'). The term refers to the linked nature of the poetic form.