a vent in the earth's surface through which escaping gas and vapor issue, causing mud to boil and occasionally to overflow, forming a conical mound around the vent.
Origin of mud volcano
First recorded in 1810–20
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for mud volcano
Historical Examples of mud volcano
We had some difficulty in finding our quest, the Salse, or mud-volcano.
This mud-volcano is known to have been in action for fifteen centuries.
Jasper Grierson's rage fit, or the mud-volcano manifestation of it, passed as suddenly as it had broken out.
British Dictionary definitions for mud volcano
a cone-shaped mound formed from fine mud ejected, with gases and water, from hot springs, geysers, etc, in volcanic regions
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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