[cir.cum.vo.lu.tion] n [ME circumvolucioun, fr. ML circumvolution-, circumvolutio, fr. L circumvolvere to revolve, fr. circum- + volvere to roll--more at voluble] (15c): an act or instance of turning around an axis
CIRCUMVOLUTION
Meaning of CIRCUMVOLUTION in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012