Definition of lapillus
lapilliplay \lə-ˈpi-ˌlī, -(ˌ)lē\
: a small stony or glassy fragment of lava ejected in a volcanic eruption
Recent Examples of lapillus from the Web
This eruption would technically be a vulcanian eruption according to MVO and prevailing winds prevented ash or lapilli from falling on the eastern half of Montserrat.
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'lapillus'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
Origin and Etymology of lapillus
Latin, diminutive of lapis
First Known Use: 1747
Seen and Heard
What made you want to look up lapillus? Please tell us where you read or heard it (including the quote, if possible).