noun, noun or participle which takes 'suru'
somersault; forward roll; tumble
Refers to a forward rolling motion, often done by children or in playful contexts. Can be used as a noun or with する to mean 'do a somersault/roll'.
See also: でんぐり返る
子供が芝生の上ででんぐり返しをした。
The child did a somersault on the grass.
体育の授業で前転（でんぐり返し）の練習をした。
We practiced forward rolls (somersaults) in PE class.