P3I1N1G2O1
8 points
PINGO is validvalid
a low mound of earth formed by expansion of underlying frost [n PINGOES, PINGOS]
(Inuit) a cone-shaped mound [n PINGOES or PINGOS]
a low mound of earth formed by expansion of underlying frost [n PINGOES, PINGOS]
(Inuit) a cone-shaped mound [n PINGOES or PINGOS]