シネラマシネラマMeanings1nounCineramatrademarkTrademarked widescreen film format popular in the 1950s–60s, using three synchronized projectors on a curved screen.シネラマは1950年ねん代だいに登とう場じょうしたワイドスクリーン方ほう式しきの商しょう標ひょうです。Cinerama is a trademark for a widescreen film format that appeared in the 1950s.