pingo -es or -s. [< Esk. pinguq] DCHP-1 (pre-1967)
1 n. — North
a large mound of ice covered with soil forced up by the pressure of expanding ice in the subsoil.
2 n.
a curiously-shaped pillar of clay, or cemented gravel, or other material, caused by erosion. [See picture at demoiselle.]
See also: demoiselle