古体诗 (古體詩) gǔtǐshī

gǔtǐshī noun a pre-Tang Dynasty genre of poetry
Domain: History 历史 , Subdomain: China
Notes: Relatively free in form, usually having four, five, six or seven characters per line (CC-CEDICT '古體詩'; Fuller 2017, p. xvi; Guoyu '古體詩')