Con`vo*lu"tion (?), n.
1. The act of rolling anything upon itself,
or one thing upon another; a winding motion.
O'er the calm sea, in convolution
swift,
The feathered eddy floats.
Thomson.
2. The state of being rolled upon itself,
or rolled or doubled together; a tortuous or sinuous winding or
fold, as of something rolled or folded upon itself.
Blackmore.
3. (Anat.) An irregular, tortuous
folding of an organ or part; as, the convolutions of the
intestines; the cerebral convolutions. See
Brain.