pirl

Etymology
The verb is from the 16th century. Origin uncertain; related to, , (OED; more at , ). The noun was derived from the verb in the 19th century.

Verb

 * 1)  To twist or wind, especially into a cord or braid etc.
 * 2)  To ripple or swirl, especially of water.
 * 3)  To cause to revolve or spin.

Noun

 * 1) A ripple; a twist or curl.