noun
verse form; poetic form
Refers to the structural pattern of a poem, such as sonnet, haiku, or free verse.
俳句は日本の伝統的な詩型の一つです。
Haiku is one of Japan's traditional verse forms.
この詩人はさまざまな詩型を試みている。
This poet experiments with various poetic forms.
詩体 also means 'poetic form' but is less common and may carry a slightly more technical or classical nuance.
Compound of 詩 (poetry) and 型 (form, pattern). The alternate spelling 詩形 uses 形 (shape, form), which is also valid but less common.