the act of rolling or turning around: planetary circumvolution.
a single complete turn or cycle.
a winding or folding about something: the circumvolutions of a boa.
a fold so wound: the circumvolution of a snail shell.
a winding in a sinuous course; a sinuosity: the circumvolutions of the river.
a roundabout course or procedure, or an instance of such: The speaker's circumvolutions bored the audience to tears.
Origin: 1400–50;late Middle English < Medieval Latincircumvolūtiōn- (stem of circumvolūtiō), equivalent to Latincircumvolūt(us) (past participle of circumvolvere to circumvolve) (circum-circum- + volū- past participle stem of volvere to roll + -tus past participle suffix) + -iōn--ion