Meaning of 宙返 in Japanese

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Definition of 宙返

かえる(kaeru) 【返る ·反る】

(v5r, vi) to return; to come back; to go back
to turn over →Related words: 裏返る
(suf, v5r) (after the -masu stem of a verb) (to become) extremely; (to become) completely →Related words: 静まり返る

ちゅう(chuu) 【宙】

ちゅうがえり(chuugaeri) 【宙返り】

(n, vs) somersault; looping-the-loop
宙返りするジェットコースターに乗ったら、気持ち悪くなっちゃった。
I got sick riding the roller coaster with the loop-the-loop.