411 REFERENCE · Wiktionary
Mima mound
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after the Mima Prairie in en Thurston County, Washington.
Noun
en geology A low, flattened dome-like natural mound found in the northwestern United States, composed of loose, unstratified, often gravelly sediment.
Further reading