Parabel

Parabel River is a river in the Tomsk Oblast in Russia. It is a left tributary of the Ob River. The length of the Parabel River is 308 km. The area of its basin is 25,500 sq km. The river is formed at the confluence of the Kenga and Chuzik Rivers. It freezes up in the second half of October - early November and stays under the ice until late April - early May.
See more at Wikipedia.org...

n. parable, short tale that teaches a moral lesson, allegory, symbolic story; (Mathematics) parabola, curve formed by the intersection of a cone with a plane parallel to its side

n. parable

f parabola