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volcano

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noun vol·ca·no \väl-ˈkā-(ˌ)nō, vȯl-\

Simple Definition of volcano

  • : a mountain with a hole in the top or side that sometimes sends out rocks, ash, lava, etc., in a sudden explosion (called an eruption)

Full Definition of volcano

plural vol·ca·noes or vol·ca·nos

  1. 1 :  a vent in the crust of the earth or another planet or a moon from which usually molten or hot rock and steam issue; also :  a hill or mountain composed wholly or in part of the ejected material

  2. 2 :  something of explosively violent potential

Examples of volcano

  1. The volcano last erupted 25 years ago.

  2. <beset by prolonged heat and lingering racial tension, the city was like a seething volcano>



Illustration of volcano

Origin of volcano

Italian or Spanish; Italian vulcano, from Spanish volcán, ultimately from Latin Volcanus Vulcan


First Known Use: 1613



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