Definition of pingo
: a low hill or mound forced up by hydrostatic pressure in an area underlain by permafrost
Recent Examples of pingo from the Web
If a pingo collapsed tomorrow, though, there's no guarantee humanity would notice.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pingo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of pingo
First Known Use: 1938See Words from the same year
Seen and Heard
What made you want to look up pingo? Please tell us where you read or heard it (including the quote, if possible).