The Collaborative International Dictionary of English v.0.48:
Volution \Vo*lu"tion\, n. [Cf. LL. volutio an arch, vault.] [1913 Webster] 1. A spiral turn or wreath. [1913 Webster] 2. (Zool.) A whorl of a spiral shell. [1913 Webster]WordNet (r) 3.0 (2006):
volution n 1: a rolling or revolving motion