Renku of the formats most commonly used in writing renku Renku , or , is a Japanese form of popular collaborative linked verse poetry. It is a development of the older Japanese poetic tradition of "ushin" renga, or orthodox collaborative linked verse. At renku gatherings participating poets take turns providing alternating verses of 17 and 14 morae. Initially "haikai no renga" distinguished itself through vulgarity and coarseness of wit, before growing into a legitimate artistic tradition, and eventually giving birth to the haiku form of Japanese poetry. The term "renku" gained currency after 1904, when Kyoshi Takahama started to use it.
Haiku in English the one-line form can create a variety of ambiguities involving the perceived placement of cuts and the grammatical status of individual words, thereby allowing for multiple readings of the same haiku. A variation of the format breaks the line at the "caesura" or pause. At its most minimal, a single word may occasionally be claimed to be a haiku: The first was printed alone on an otherwise blank page and arguably only "works" in that context. The second example is an allusion to the first and also depends on its placement at the center of a haiku collection. Haiku of