lava

noun

la·​va ˈlä-və How to pronounce lava (audio) ˈla- How to pronounce lava (audio)
: molten rock that issues from a volcano or from a fissure in the surface of a planet (such as earth) or moon
also : such rock that has cooled and hardened
lavalike adjective

Examples of lava in a Sentence

a flow of molten lava
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Black Desert, Utah’s largest resort, has officially opened with 447 rooms and suites, seven restaurants and bars, and a 15,000-square-foot spa, all with a backdrop of the dramatic red rock formations and black lava beds of Greater Zion. Regan Stephens, Travel + Leisure, 16 Sep. 2025 Something — perhaps an inundation of lava — burned that planet to the bone. Quanta Magazine, 15 Sep. 2025 Colts coach Steichen spews lava, draws unsportsmanlike conduct for running onto the field. Joe Nguyen, Denver Post, 14 Sep. 2025 Daily excursions—led by expert naturalists—span snorkeling with sea lions, kayaking along lava cliffs, paddleboarding through mangroves and hikes through volcanic landscapes. Rachel Ingram, Forbes.com, 11 Sep. 2025 See All Example Sentences for lava

Word History

Etymology

Italian, ultimately from Latin labes fall; akin to Latin labi to slide — more at sleep

First Known Use

1759, in the meaning defined above

Time Traveler
The first known use of lava was in 1759

Cite this Entry

“Lava.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/lava. Accessed 19 Sep. 2025.

Kids Definition

lava

noun
la·​va ˈläv-ə How to pronounce lava (audio) ˈlav- How to pronounce lava (audio)
: melted rock coming from a volcano
also : such rock that has cooled and hardened

More from Merriam-Webster on lava

Last Updated: - Updated example sentences
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