American Heritage® Dictionary of the English Language, Fourth
Edition - n. A form or part that is folded or coiled. - n. One
of the convex folds of the surface of the brain. Century
Dictionary and Cyclopedia - n. The act of rolling. or winding
together, or of winding one part or thing on another; the motion
or process of winding in and out. - n. The state of being rolled
upon itself, or rolled or wound together. - n. A turn or
winding; a fold; a gyration; an anfractuosity; a whorl: as, the
convolutions of a vine; the convolutions of the intestines. - n.
In anatomy, specifically, one of the gyri, gyres, or
anfractuosities of the brain, especially of the cerebrum. See
cuts under brain and corpus. - n. In mathematics, such a
connection between the relations of any asyzygetic system that
each is applied alternately in the aggregate of the remaining
relations. - n. Something that is folded or twisted. - n. Any of
the folds on the surface of the brain. - n. The shape of
something rotating; a vortex. - n. mathematic