Lewis & Short

convŏlūto, no perf., ātum, 1, v. freq. a. [convolvo], to whirl or roll round rapidly (very rare): cum omni exoletorum turbā, Sen. Ep. 114, 24 (id. Q. N. 7, 9, 2, the true read. is conluctatus, Haase, Fickert).